388111320

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{419}}^1$

素因数の和:550

約数の個数: 192

約数和(自身を含む): 1320883200

約数和(自身を除く): 932771880

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 31, 36, 40, 45, 60, 62, 72, 83, 90, 93, 120, 124, 155, 166, 180, 186, 248, 249, 279, 310, 332, 360, 372, 415, 419, 465, 498, 558, 620, 664, 744, 747, 830, 838, 930, 996, 1116, 1240, 1245, 1257, 1395, 1494, 1660, 1676, 1860, 1992, 2095, 2232, 2490, 2514, 2573, 2790, 2988, 3320, 3352, 3720, 3735, 3771, 4190, 4980, 5028, 5146, 5580, 5976, 6285, 7470, 7542, 7719, 8380, 9960, 10056, 10292, 11160, 12570, 12865, 12989, 14940, 15084, 15438, 16760, 18855, 20584, 23157, 25140, 25730, 25978, 29880, 30168, 30876, 34777, 37710, 38595, 38967, 46314, 50280, 51460, 51956, 61752, 64945, 69554, 75420, 77190, 77934, 92628, 102920, 103912, 104331, 115785, 116901, 129890, 139108, 150840, 154380, 155868, 173885, 185256, 194835, 208662, 231570, 233802, 259780, 278216, 308760, 311736, 312993, 347770, 389670, 417324, 463140, 467604, 519560, 521655, 584505, 625986, 695540, 779340, 834648, 926280, 935208, 1043310, 1078087, 1169010, 1251972, 1391080, 1558680, 1564965, 2086620, 2156174, 2338020, 2503944, 3129930, 3234261, 4173240, 4312348, 4676040, 5390435, 6259860, 6468522, 8624696, 9702783, 10780870, 12519720, 12937044, 16171305, 19405566, 21561740, 25874088, 32342610, 38811132, 43123480, 48513915, 64685220, 77622264, 97027830, 129370440, 194055660, 388111320]

約数ペア:

[(1, 388111320), (2, 194055660), (3, 129370440), (4, 97027830), (5, 77622264), (6, 64685220), (8, 48513915), (9, 43123480), (10, 38811132), (12, 32342610), (15, 25874088), (18, 21561740), (20, 19405566), (24, 16171305), (30, 12937044), (31, 12519720), (36, 10780870), (40, 9702783), (45, 8624696), (60, 6468522), (62, 6259860), (72, 5390435), (83, 4676040), (90, 4312348), (93, 4173240), (120, 3234261), (124, 3129930), (155, 2503944), (166, 2338020), (180, 2156174), (186, 2086620), (248, 1564965), (249, 1558680), (279, 1391080), (310, 1251972), (332, 1169010), (360, 1078087), (372, 1043310), (415, 935208), (419, 926280), (465, 834648), (498, 779340), (558, 695540), (620, 625986), (664, 584505), (744, 521655), (747, 519560), (830, 467604), (838, 463140), (930, 417324), (996, 389670), (1116, 347770), (1240, 312993), (1245, 311736), (1257, 308760), (1395, 278216), (1494, 259780), (1660, 233802), (1676, 231570), (1860, 208662), (1992, 194835), (2095, 185256), (2232, 173885), (2490, 155868), (2514, 154380), (2573, 150840), (2790, 139108), (2988, 129890), (3320, 116901), (3352, 115785), (3720, 104331), (3735, 103912), (3771, 102920), (4190, 92628), (4980, 77934), (5028, 77190), (5146, 75420), (5580, 69554), (5976, 64945), (6285, 61752), (7470, 51956), (7542, 51460), (7719, 50280), (8380, 46314), (9960, 38967), (10056, 38595), (10292, 37710), (11160, 34777), (12570, 30876), (12865, 30168), (12989, 29880), (14940, 25978), (15084, 25730), (15438, 25140), (16760, 23157), (18855, 20584)]