321647940

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{977}}^1$

素因数の和:1082

約数の個数: 144

約数和(自身を含む): 1025256960

約数和(自身を除く): 703609020

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 31, 36, 45, 59, 60, 62, 90, 93, 118, 124, 155, 177, 180, 186, 236, 279, 295, 310, 354, 372, 465, 531, 558, 590, 620, 708, 885, 930, 977, 1062, 1116, 1180, 1395, 1770, 1829, 1860, 1954, 2124, 2655, 2790, 2931, 3540, 3658, 3908, 4885, 5310, 5487, 5580, 5862, 7316, 8793, 9145, 9770, 10620, 10974, 11724, 14655, 16461, 17586, 18290, 19540, 21948, 27435, 29310, 30287, 32922, 35172, 36580, 43965, 54870, 57643, 58620, 60574, 65844, 82305, 87930, 90861, 109740, 115286, 121148, 151435, 164610, 172929, 175860, 181722, 230572, 272583, 288215, 302870, 329220, 345858, 363444, 454305, 518787, 545166, 576430, 605740, 691716, 864645, 908610, 1037574, 1090332, 1152860, 1362915, 1729290, 1786933, 1817220, 2075148, 2593935, 2725830, 3458580, 3573866, 5187870, 5360799, 5451660, 7147732, 8934665, 10375740, 10721598, 16082397, 17869330, 21443196, 26803995, 32164794, 35738660, 53607990, 64329588, 80411985, 107215980, 160823970, 321647940]

約数ペア:

[(1, 321647940), (2, 160823970), (3, 107215980), (4, 80411985), (5, 64329588), (6, 53607990), (9, 35738660), (10, 32164794), (12, 26803995), (15, 21443196), (18, 17869330), (20, 16082397), (30, 10721598), (31, 10375740), (36, 8934665), (45, 7147732), (59, 5451660), (60, 5360799), (62, 5187870), (90, 3573866), (93, 3458580), (118, 2725830), (124, 2593935), (155, 2075148), (177, 1817220), (180, 1786933), (186, 1729290), (236, 1362915), (279, 1152860), (295, 1090332), (310, 1037574), (354, 908610), (372, 864645), (465, 691716), (531, 605740), (558, 576430), (590, 545166), (620, 518787), (708, 454305), (885, 363444), (930, 345858), (977, 329220), (1062, 302870), (1116, 288215), (1180, 272583), (1395, 230572), (1770, 181722), (1829, 175860), (1860, 172929), (1954, 164610), (2124, 151435), (2655, 121148), (2790, 115286), (2931, 109740), (3540, 90861), (3658, 87930), (3908, 82305), (4885, 65844), (5310, 60574), (5487, 58620), (5580, 57643), (5862, 54870), (7316, 43965), (8793, 36580), (9145, 35172), (9770, 32922), (10620, 30287), (10974, 29310), (11724, 27435), (14655, 21948), (16461, 19540), (17586, 18290)]