491797020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^2$

素因数の和:153

約数の個数: 288

約数和(自身を含む): 1709697024

約数和(自身を除く): 1217900004

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 13, 15, 20, 22, 26, 30, 31, 33, 39, 43, 44, 52, 55, 60, 62, 65, 66, 78, 86, 93, 110, 124, 129, 130, 132, 143, 155, 156, 165, 172, 186, 195, 215, 220, 258, 260, 286, 310, 330, 341, 372, 390, 403, 429, 430, 465, 473, 516, 559, 572, 620, 645, 660, 682, 715, 780, 806, 858, 860, 930, 946, 1023, 1118, 1209, 1290, 1333, 1364, 1419, 1430, 1612, 1677, 1705, 1716, 1849, 1860, 1892, 2015, 2046, 2145, 2236, 2365, 2418, 2580, 2666, 2795, 2838, 2860, 3354, 3410, 3698, 3999, 4030, 4092, 4290, 4433, 4730, 4836, 5115, 5332, 5547, 5590, 5676, 6045, 6149, 6665, 6708, 6820, 7095, 7396, 7998, 8060, 8385, 8580, 8866, 9245, 9460, 10230, 11094, 11180, 12090, 12298, 13299, 13330, 14190, 14663, 15996, 16770, 17329, 17732, 18447, 18490, 19995, 20339, 20460, 22165, 22188, 24037, 24180, 24596, 26598, 26660, 27735, 28380, 29326, 30745, 33540, 34658, 36894, 36980, 39990, 40678, 43989, 44330, 48074, 51987, 53196, 55470, 57319, 58652, 61017, 61490, 66495, 69316, 72111, 73315, 73788, 79980, 81356, 86645, 87978, 88660, 92235, 96148, 101695, 103974, 110940, 114638, 120185, 122034, 122980, 132990, 144222, 146630, 171957, 173290, 175956, 184470, 190619, 203390, 207948, 219945, 229276, 240370, 244068, 259935, 264407, 265980, 286595, 288444, 293260, 305085, 343914, 346580, 360555, 368940, 381238, 406780, 439890, 480740, 519870, 528814, 571857, 573190, 610170, 630509, 687828, 721110, 745147, 762476, 793221, 859785, 879780, 953095, 1039740, 1057628, 1143714, 1146380, 1220340, 1261018, 1322035, 1442220, 1490294, 1586442, 1719570, 1891527, 1906190, 2235441, 2287428, 2522036, 2644070, 2859285, 2980588, 3152545, 3172884, 3439140, 3725735, 3783054, 3812380, 3966105, 4470882, 5288140, 5718570, 6305090, 7451470, 7566108, 7932210, 8196617, 8941764, 9457635, 11177205, 11437140, 12610180, 14902940, 15864420, 16393234, 18915270, 22354410, 24589851, 32786468, 37830540, 40983085, 44708820, 49179702, 81966170, 98359404, 122949255, 163932340, 245898510, 491797020]

約数ペア:

[(1, 491797020), (2, 245898510), (3, 163932340), (4, 122949255), (5, 98359404), (6, 81966170), (10, 49179702), (11, 44708820), (12, 40983085), (13, 37830540), (15, 32786468), (20, 24589851), (22, 22354410), (26, 18915270), (30, 16393234), (31, 15864420), (33, 14902940), (39, 12610180), (43, 11437140), (44, 11177205), (52, 9457635), (55, 8941764), (60, 8196617), (62, 7932210), (65, 7566108), (66, 7451470), (78, 6305090), (86, 5718570), (93, 5288140), (110, 4470882), (124, 3966105), (129, 3812380), (130, 3783054), (132, 3725735), (143, 3439140), (155, 3172884), (156, 3152545), (165, 2980588), (172, 2859285), (186, 2644070), (195, 2522036), (215, 2287428), (220, 2235441), (258, 1906190), (260, 1891527), (286, 1719570), (310, 1586442), (330, 1490294), (341, 1442220), (372, 1322035), (390, 1261018), (403, 1220340), (429, 1146380), (430, 1143714), (465, 1057628), (473, 1039740), (516, 953095), (559, 879780), (572, 859785), (620, 793221), (645, 762476), (660, 745147), (682, 721110), (715, 687828), (780, 630509), (806, 610170), (858, 573190), (860, 571857), (930, 528814), (946, 519870), (1023, 480740), (1118, 439890), (1209, 406780), (1290, 381238), (1333, 368940), (1364, 360555), (1419, 346580), (1430, 343914), (1612, 305085), (1677, 293260), (1705, 288444), (1716, 286595), (1849, 265980), (1860, 264407), (1892, 259935), (2015, 244068), (2046, 240370), (2145, 229276), (2236, 219945), (2365, 207948), (2418, 203390), (2580, 190619), (2666, 184470), (2795, 175956), (2838, 173290), (2860, 171957), (3354, 146630), (3410, 144222), (3698, 132990), (3999, 122980), (4030, 122034), (4092, 120185), (4290, 114638), (4433, 110940), (4730, 103974), (4836, 101695), (5115, 96148), (5332, 92235), (5547, 88660), (5590, 87978), (5676, 86645), (6045, 81356), (6149, 79980), (6665, 73788), (6708, 73315), (6820, 72111), (7095, 69316), (7396, 66495), (7998, 61490), (8060, 61017), (8385, 58652), (8580, 57319), (8866, 55470), (9245, 53196), (9460, 51987), (10230, 48074), (11094, 44330), (11180, 43989), (12090, 40678), (12298, 39990), (13299, 36980), (13330, 36894), (14190, 34658), (14663, 33540), (15996, 30745), (16770, 29326), (17329, 28380), (17732, 27735), (18447, 26660), (18490, 26598), (19995, 24596), (20339, 24180), (20460, 24037), (22165, 22188)]