258740880

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{419}}^1$

素因数の和:549

約数の個数: 160

約数和(自身を含む): 839946240

約数和(自身を除く): 581205360

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 31, 40, 48, 60, 62, 80, 83, 93, 120, 124, 155, 166, 186, 240, 248, 249, 310, 332, 372, 415, 419, 465, 496, 498, 620, 664, 744, 830, 838, 930, 996, 1240, 1245, 1257, 1328, 1488, 1660, 1676, 1860, 1992, 2095, 2480, 2490, 2514, 2573, 3320, 3352, 3720, 3984, 4190, 4980, 5028, 5146, 6285, 6640, 6704, 7440, 7719, 8380, 9960, 10056, 10292, 12570, 12865, 12989, 15438, 16760, 19920, 20112, 20584, 25140, 25730, 25978, 30876, 33520, 34777, 38595, 38967, 41168, 50280, 51460, 51956, 61752, 64945, 69554, 77190, 77934, 100560, 102920, 103912, 104331, 123504, 129890, 139108, 154380, 155868, 173885, 194835, 205840, 207824, 208662, 259780, 278216, 308760, 311736, 347770, 389670, 417324, 519560, 521655, 556432, 617520, 623472, 695540, 779340, 834648, 1039120, 1043310, 1078087, 1391080, 1558680, 1669296, 2086620, 2156174, 2782160, 3117360, 3234261, 4173240, 4312348, 5390435, 6468522, 8346480, 8624696, 10780870, 12937044, 16171305, 17249392, 21561740, 25874088, 32342610, 43123480, 51748176, 64685220, 86246960, 129370440, 258740880]

約数ペア:

[(1, 258740880), (2, 129370440), (3, 86246960), (4, 64685220), (5, 51748176), (6, 43123480), (8, 32342610), (10, 25874088), (12, 21561740), (15, 17249392), (16, 16171305), (20, 12937044), (24, 10780870), (30, 8624696), (31, 8346480), (40, 6468522), (48, 5390435), (60, 4312348), (62, 4173240), (80, 3234261), (83, 3117360), (93, 2782160), (120, 2156174), (124, 2086620), (155, 1669296), (166, 1558680), (186, 1391080), (240, 1078087), (248, 1043310), (249, 1039120), (310, 834648), (332, 779340), (372, 695540), (415, 623472), (419, 617520), (465, 556432), (496, 521655), (498, 519560), (620, 417324), (664, 389670), (744, 347770), (830, 311736), (838, 308760), (930, 278216), (996, 259780), (1240, 208662), (1245, 207824), (1257, 205840), (1328, 194835), (1488, 173885), (1660, 155868), (1676, 154380), (1860, 139108), (1992, 129890), (2095, 123504), (2480, 104331), (2490, 103912), (2514, 102920), (2573, 100560), (3320, 77934), (3352, 77190), (3720, 69554), (3984, 64945), (4190, 61752), (4980, 51956), (5028, 51460), (5146, 50280), (6285, 41168), (6640, 38967), (6704, 38595), (7440, 34777), (7719, 33520), (8380, 30876), (9960, 25978), (10056, 25730), (10292, 25140), (12570, 20584), (12865, 20112), (12989, 19920), (15438, 16760)]