644840430

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{5119}}^1$

素因数の和:5178

約数の個数: 128

約数和(自身を含む): 1857945600

約数和(自身を除く): 1213105170

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 17, 19, 26, 30, 34, 38, 39, 51, 57, 65, 78, 85, 95, 102, 114, 130, 170, 190, 195, 221, 247, 255, 285, 323, 390, 442, 494, 510, 570, 646, 663, 741, 969, 1105, 1235, 1326, 1482, 1615, 1938, 2210, 2470, 3230, 3315, 3705, 4199, 4845, 5119, 6630, 7410, 8398, 9690, 10238, 12597, 15357, 20995, 25194, 25595, 30714, 41990, 51190, 62985, 66547, 76785, 87023, 97261, 125970, 133094, 153570, 174046, 194522, 199641, 261069, 291783, 332735, 399282, 435115, 486305, 522138, 583566, 665470, 870230, 972610, 998205, 1131299, 1264393, 1305345, 1458915, 1653437, 1996410, 2262598, 2528786, 2610690, 2917830, 3306874, 3393897, 3793179, 4960311, 5656495, 6321965, 6787794, 7586358, 8267185, 9920622, 11312990, 12643930, 16534370, 16969485, 18965895, 21494681, 24801555, 33938970, 37931790, 42989362, 49603110, 64484043, 107473405, 128968086, 214946810, 322420215, 644840430]

約数ペア:

[(1, 644840430), (2, 322420215), (3, 214946810), (5, 128968086), (6, 107473405), (10, 64484043), (13, 49603110), (15, 42989362), (17, 37931790), (19, 33938970), (26, 24801555), (30, 21494681), (34, 18965895), (38, 16969485), (39, 16534370), (51, 12643930), (57, 11312990), (65, 9920622), (78, 8267185), (85, 7586358), (95, 6787794), (102, 6321965), (114, 5656495), (130, 4960311), (170, 3793179), (190, 3393897), (195, 3306874), (221, 2917830), (247, 2610690), (255, 2528786), (285, 2262598), (323, 1996410), (390, 1653437), (442, 1458915), (494, 1305345), (510, 1264393), (570, 1131299), (646, 998205), (663, 972610), (741, 870230), (969, 665470), (1105, 583566), (1235, 522138), (1326, 486305), (1482, 435115), (1615, 399282), (1938, 332735), (2210, 291783), (2470, 261069), (3230, 199641), (3315, 194522), (3705, 174046), (4199, 153570), (4845, 133094), (5119, 125970), (6630, 97261), (7410, 87023), (8398, 76785), (9690, 66547), (10238, 62985), (12597, 51190), (15357, 41990), (20995, 30714), (25194, 25595)]