155285820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{1637}}^1$

素因数の和:1700

約数の個数: 144

約数和(自身を含む): 515144448

約数和(自身を除く): 359858628

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 30, 31, 34, 36, 45, 51, 60, 62, 68, 85, 90, 93, 102, 124, 153, 155, 170, 180, 186, 204, 255, 279, 306, 310, 340, 372, 465, 510, 527, 558, 612, 620, 765, 930, 1020, 1054, 1116, 1395, 1530, 1581, 1637, 1860, 2108, 2635, 2790, 3060, 3162, 3274, 4743, 4911, 5270, 5580, 6324, 6548, 7905, 8185, 9486, 9822, 10540, 14733, 15810, 16370, 18972, 19644, 23715, 24555, 27829, 29466, 31620, 32740, 47430, 49110, 50747, 55658, 58932, 73665, 83487, 94860, 98220, 101494, 111316, 139145, 147330, 152241, 166974, 202988, 250461, 253735, 278290, 294660, 304482, 333948, 417435, 456723, 500922, 507470, 556580, 608964, 761205, 834870, 862699, 913446, 1001844, 1014940, 1252305, 1522410, 1669740, 1725398, 1826892, 2283615, 2504610, 2588097, 3044820, 3450796, 4313495, 4567230, 5009220, 5176194, 7764291, 8626990, 9134460, 10352388, 12940485, 15528582, 17253980, 25880970, 31057164, 38821455, 51761940, 77642910, 155285820]

約数ペア:

[(1, 155285820), (2, 77642910), (3, 51761940), (4, 38821455), (5, 31057164), (6, 25880970), (9, 17253980), (10, 15528582), (12, 12940485), (15, 10352388), (17, 9134460), (18, 8626990), (20, 7764291), (30, 5176194), (31, 5009220), (34, 4567230), (36, 4313495), (45, 3450796), (51, 3044820), (60, 2588097), (62, 2504610), (68, 2283615), (85, 1826892), (90, 1725398), (93, 1669740), (102, 1522410), (124, 1252305), (153, 1014940), (155, 1001844), (170, 913446), (180, 862699), (186, 834870), (204, 761205), (255, 608964), (279, 556580), (306, 507470), (310, 500922), (340, 456723), (372, 417435), (465, 333948), (510, 304482), (527, 294660), (558, 278290), (612, 253735), (620, 250461), (765, 202988), (930, 166974), (1020, 152241), (1054, 147330), (1116, 139145), (1395, 111316), (1530, 101494), (1581, 98220), (1637, 94860), (1860, 83487), (2108, 73665), (2635, 58932), (2790, 55658), (3060, 50747), (3162, 49110), (3274, 47430), (4743, 32740), (4911, 31620), (5270, 29466), (5580, 27829), (6324, 24555), (6548, 23715), (7905, 19644), (8185, 18972), (9486, 16370), (9822, 15810), (10540, 14733)]