640981770

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{47}}^1$

素因数の和:126

約数の個数: 288

約数和(自身を含む): 1975567104

約数和(自身を除く): 1334585334

約数列:

[1, 2, 3, 5, 6, 10, 11, 13, 15, 17, 22, 26, 30, 33, 34, 39, 47, 51, 55, 65, 66, 78, 85, 94, 102, 110, 121, 130, 141, 143, 165, 170, 187, 195, 221, 235, 242, 255, 282, 286, 289, 330, 363, 374, 390, 429, 442, 470, 510, 517, 561, 578, 605, 611, 663, 705, 715, 726, 799, 858, 867, 935, 1034, 1105, 1122, 1210, 1222, 1326, 1410, 1430, 1445, 1551, 1573, 1598, 1734, 1815, 1833, 1870, 2057, 2145, 2210, 2397, 2431, 2585, 2805, 2890, 3055, 3102, 3146, 3179, 3315, 3630, 3666, 3757, 3995, 4114, 4290, 4335, 4719, 4794, 4862, 5170, 5610, 5687, 6110, 6171, 6358, 6630, 6721, 7293, 7514, 7755, 7865, 7990, 8670, 8789, 9165, 9438, 9537, 10285, 10387, 11271, 11374, 11985, 12155, 12342, 13442, 13583, 14586, 15510, 15730, 15895, 17061, 17578, 18330, 18785, 19074, 20163, 20570, 20774, 22542, 23595, 23970, 24310, 26367, 26741, 27166, 28435, 30855, 31161, 31790, 33605, 34122, 34969, 36465, 37570, 40326, 40749, 41327, 43945, 47190, 47685, 51935, 52734, 53482, 56355, 56870, 61710, 62322, 67210, 67915, 69938, 72930, 73931, 80223, 81498, 82654, 85305, 87890, 95370, 96679, 100815, 103870, 104907, 112710, 114257, 123981, 131835, 133705, 135830, 147862, 149413, 155805, 160446, 170610, 174845, 176579, 193358, 201630, 203745, 206635, 209814, 221793, 228514, 247962, 263670, 267410, 290037, 298826, 311610, 342771, 349690, 353158, 369655, 401115, 407490, 413270, 443586, 448239, 454597, 483395, 524535, 529737, 571285, 580074, 619905, 685542, 739310, 747065, 802230, 882895, 896478, 909194, 966790, 1049070, 1059474, 1108965, 1142570, 1239810, 1256827, 1363791, 1450185, 1494130, 1643543, 1713855, 1765790, 1942369, 2217930, 2241195, 2272985, 2513654, 2648685, 2727582, 2900370, 3287086, 3427710, 3770481, 3884738, 4482390, 4545970, 4930629, 5297370, 5827107, 6284135, 6818955, 7540962, 8217715, 9711845, 9861258, 11654214, 12568270, 13637910, 16435430, 18852405, 19423690, 21366059, 24653145, 29135535, 37704810, 42732118, 49306290, 58271070, 64098177, 106830295, 128196354, 213660590, 320490885, 640981770]

約数ペア:

[(1, 640981770), (2, 320490885), (3, 213660590), (5, 128196354), (6, 106830295), (10, 64098177), (11, 58271070), (13, 49306290), (15, 42732118), (17, 37704810), (22, 29135535), (26, 24653145), (30, 21366059), (33, 19423690), (34, 18852405), (39, 16435430), (47, 13637910), (51, 12568270), (55, 11654214), (65, 9861258), (66, 9711845), (78, 8217715), (85, 7540962), (94, 6818955), (102, 6284135), (110, 5827107), (121, 5297370), (130, 4930629), (141, 4545970), (143, 4482390), (165, 3884738), (170, 3770481), (187, 3427710), (195, 3287086), (221, 2900370), (235, 2727582), (242, 2648685), (255, 2513654), (282, 2272985), (286, 2241195), (289, 2217930), (330, 1942369), (363, 1765790), (374, 1713855), (390, 1643543), (429, 1494130), (442, 1450185), (470, 1363791), (510, 1256827), (517, 1239810), (561, 1142570), (578, 1108965), (605, 1059474), (611, 1049070), (663, 966790), (705, 909194), (715, 896478), (726, 882895), (799, 802230), (858, 747065), (867, 739310), (935, 685542), (1034, 619905), (1105, 580074), (1122, 571285), (1210, 529737), (1222, 524535), (1326, 483395), (1410, 454597), (1430, 448239), (1445, 443586), (1551, 413270), (1573, 407490), (1598, 401115), (1734, 369655), (1815, 353158), (1833, 349690), (1870, 342771), (2057, 311610), (2145, 298826), (2210, 290037), (2397, 267410), (2431, 263670), (2585, 247962), (2805, 228514), (2890, 221793), (3055, 209814), (3102, 206635), (3146, 203745), (3179, 201630), (3315, 193358), (3630, 176579), (3666, 174845), (3757, 170610), (3995, 160446), (4114, 155805), (4290, 149413), (4335, 147862), (4719, 135830), (4794, 133705), (4862, 131835), (5170, 123981), (5610, 114257), (5687, 112710), (6110, 104907), (6171, 103870), (6358, 100815), (6630, 96679), (6721, 95370), (7293, 87890), (7514, 85305), (7755, 82654), (7865, 81498), (7990, 80223), (8670, 73931), (8789, 72930), (9165, 69938), (9438, 67915), (9537, 67210), (10285, 62322), (10387, 61710), (11271, 56870), (11374, 56355), (11985, 53482), (12155, 52734), (12342, 51935), (13442, 47685), (13583, 47190), (14586, 43945), (15510, 41327), (15730, 40749), (15895, 40326), (17061, 37570), (17578, 36465), (18330, 34969), (18785, 34122), (19074, 33605), (20163, 31790), (20570, 31161), (20774, 30855), (22542, 28435), (23595, 27166), (23970, 26741), (24310, 26367)]