203218020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{461}}^1$

素因数の和:586

約数の個数: 144

約数和(自身を含む): 645765120

約数和(自身を除く): 442547100

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 31, 36, 45, 60, 62, 79, 90, 93, 124, 155, 158, 180, 186, 237, 279, 310, 316, 372, 395, 461, 465, 474, 558, 620, 711, 790, 922, 930, 948, 1116, 1185, 1383, 1395, 1422, 1580, 1844, 1860, 2305, 2370, 2449, 2766, 2790, 2844, 3555, 4149, 4610, 4740, 4898, 5532, 5580, 6915, 7110, 7347, 8298, 9220, 9796, 12245, 13830, 14220, 14291, 14694, 16596, 20745, 22041, 24490, 27660, 28582, 29388, 36419, 36735, 41490, 42873, 44082, 48980, 57164, 71455, 72838, 73470, 82980, 85746, 88164, 109257, 110205, 128619, 142910, 145676, 146940, 171492, 182095, 214365, 218514, 220410, 257238, 285820, 327771, 364190, 428730, 437028, 440820, 514476, 546285, 643095, 655542, 728380, 857460, 1092570, 1128989, 1286190, 1311084, 1638855, 2185140, 2257978, 2572380, 3277710, 3386967, 4515956, 5644945, 6555420, 6773934, 10160901, 11289890, 13547868, 16934835, 20321802, 22579780, 33869670, 40643604, 50804505, 67739340, 101609010, 203218020]

約数ペア:

[(1, 203218020), (2, 101609010), (3, 67739340), (4, 50804505), (5, 40643604), (6, 33869670), (9, 22579780), (10, 20321802), (12, 16934835), (15, 13547868), (18, 11289890), (20, 10160901), (30, 6773934), (31, 6555420), (36, 5644945), (45, 4515956), (60, 3386967), (62, 3277710), (79, 2572380), (90, 2257978), (93, 2185140), (124, 1638855), (155, 1311084), (158, 1286190), (180, 1128989), (186, 1092570), (237, 857460), (279, 728380), (310, 655542), (316, 643095), (372, 546285), (395, 514476), (461, 440820), (465, 437028), (474, 428730), (558, 364190), (620, 327771), (711, 285820), (790, 257238), (922, 220410), (930, 218514), (948, 214365), (1116, 182095), (1185, 171492), (1383, 146940), (1395, 145676), (1422, 142910), (1580, 128619), (1844, 110205), (1860, 109257), (2305, 88164), (2370, 85746), (2449, 82980), (2766, 73470), (2790, 72838), (2844, 71455), (3555, 57164), (4149, 48980), (4610, 44082), (4740, 42873), (4898, 41490), (5532, 36735), (5580, 36419), (6915, 29388), (7110, 28582), (7347, 27660), (8298, 24490), (9220, 22041), (9796, 20745), (12245, 16596), (13830, 14694), (14220, 14291)]