1640830620

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31}}^2\times {\mathrm{199}}^1$

素因数の和:297

約数の個数: 288

約数和(自身を含む): 5605286400

約数和(自身を除く): 3964455780

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 13, 15, 20, 22, 26, 30, 31, 33, 39, 44, 52, 55, 60, 62, 65, 66, 78, 93, 110, 124, 130, 132, 143, 155, 156, 165, 186, 195, 199, 220, 260, 286, 310, 330, 341, 372, 390, 398, 403, 429, 465, 572, 597, 620, 660, 682, 715, 780, 796, 806, 858, 930, 961, 995, 1023, 1194, 1209, 1364, 1430, 1612, 1705, 1716, 1860, 1922, 1990, 2015, 2046, 2145, 2189, 2388, 2418, 2587, 2860, 2883, 2985, 3410, 3844, 3980, 4030, 4092, 4290, 4378, 4433, 4805, 4836, 5115, 5174, 5766, 5970, 6045, 6169, 6567, 6820, 7761, 8060, 8580, 8756, 8866, 9610, 10230, 10348, 10571, 10945, 11532, 11940, 12090, 12338, 12493, 12935, 13134, 13299, 14415, 15522, 17732, 18507, 19220, 20460, 21142, 21890, 22165, 24180, 24676, 24986, 25870, 26268, 26598, 28457, 28830, 30845, 31044, 31713, 32835, 37014, 37479, 38805, 42284, 43780, 44330, 49972, 51740, 52855, 53196, 56914, 57660, 61690, 62465, 63426, 65670, 66495, 67859, 74028, 74958, 77610, 80197, 85371, 88660, 92535, 105710, 113828, 123380, 124930, 126852, 131340, 132990, 135718, 137423, 142285, 149916, 155220, 158565, 160394, 170742, 185070, 187395, 191239, 203577, 211420, 240591, 249860, 265980, 271436, 274846, 284570, 317130, 320788, 339295, 341484, 370140, 374790, 382478, 400985, 407154, 412269, 426855, 481182, 549692, 569140, 573717, 634260, 678590, 687115, 749580, 764956, 801970, 814308, 824538, 853710, 882167, 956195, 962364, 1017885, 1147434, 1202955, 1357180, 1374230, 1603940, 1649076, 1707420, 1764334, 1912390, 2035770, 2061345, 2103629, 2294868, 2405910, 2486107, 2646501, 2748460, 2868585, 3528668, 3824780, 4071540, 4122690, 4207258, 4410835, 4811820, 4972214, 5293002, 5737170, 6310887, 7458321, 8245380, 8414516, 8821670, 9944428, 10518145, 10586004, 11474340, 12430535, 12621774, 13232505, 14916642, 17643340, 21036290, 24861070, 25243548, 26465010, 27347177, 29833284, 31554435, 37291605, 42072580, 49722140, 52930020, 54694354, 63108870, 74583210, 82041531, 109388708, 126217740, 136735885, 149166420, 164083062, 273471770, 328166124, 410207655, 546943540, 820415310, 1640830620]

約数ペア:

[(1, 1640830620), (2, 820415310), (3, 546943540), (4, 410207655), (5, 328166124), (6, 273471770), (10, 164083062), (11, 149166420), (12, 136735885), (13, 126217740), (15, 109388708), (20, 82041531), (22, 74583210), (26, 63108870), (30, 54694354), (31, 52930020), (33, 49722140), (39, 42072580), (44, 37291605), (52, 31554435), (55, 29833284), (60, 27347177), (62, 26465010), (65, 25243548), (66, 24861070), (78, 21036290), (93, 17643340), (110, 14916642), (124, 13232505), (130, 12621774), (132, 12430535), (143, 11474340), (155, 10586004), (156, 10518145), (165, 9944428), (186, 8821670), (195, 8414516), (199, 8245380), (220, 7458321), (260, 6310887), (286, 5737170), (310, 5293002), (330, 4972214), (341, 4811820), (372, 4410835), (390, 4207258), (398, 4122690), (403, 4071540), (429, 3824780), (465, 3528668), (572, 2868585), (597, 2748460), (620, 2646501), (660, 2486107), (682, 2405910), (715, 2294868), (780, 2103629), (796, 2061345), (806, 2035770), (858, 1912390), (930, 1764334), (961, 1707420), (995, 1649076), (1023, 1603940), (1194, 1374230), (1209, 1357180), (1364, 1202955), (1430, 1147434), (1612, 1017885), (1705, 962364), (1716, 956195), (1860, 882167), (1922, 853710), (1990, 824538), (2015, 814308), (2046, 801970), (2145, 764956), (2189, 749580), (2388, 687115), (2418, 678590), (2587, 634260), (2860, 573717), (2883, 569140), (2985, 549692), (3410, 481182), (3844, 426855), (3980, 412269), (4030, 407154), (4092, 400985), (4290, 382478), (4378, 374790), (4433, 370140), (4805, 341484), (4836, 339295), (5115, 320788), (5174, 317130), (5766, 284570), (5970, 274846), (6045, 271436), (6169, 265980), (6567, 249860), (6820, 240591), (7761, 211420), (8060, 203577), (8580, 191239), (8756, 187395), (8866, 185070), (9610, 170742), (10230, 160394), (10348, 158565), (10571, 155220), (10945, 149916), (11532, 142285), (11940, 137423), (12090, 135718), (12338, 132990), (12493, 131340), (12935, 126852), (13134, 124930), (13299, 123380), (14415, 113828), (15522, 105710), (17732, 92535), (18507, 88660), (19220, 85371), (20460, 80197), (21142, 77610), (21890, 74958), (22165, 74028), (24180, 67859), (24676, 66495), (24986, 65670), (25870, 63426), (26268, 62465), (26598, 61690), (28457, 57660), (28830, 56914), (30845, 53196), (31044, 52855), (31713, 51740), (32835, 49972), (37014, 44330), (37479, 43780), (38805, 42284)]