123770920

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{919}}^1$

素因数の和:987

約数の個数: 128

約数和(自身を含む): 352396800

約数和(自身を除く): 228625880

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 37, 40, 52, 56, 65, 70, 74, 91, 104, 130, 140, 148, 182, 185, 259, 260, 280, 296, 364, 370, 455, 481, 518, 520, 728, 740, 910, 919, 962, 1036, 1295, 1480, 1820, 1838, 1924, 2072, 2405, 2590, 3367, 3640, 3676, 3848, 4595, 4810, 5180, 6433, 6734, 7352, 9190, 9620, 10360, 11947, 12866, 13468, 16835, 18380, 19240, 23894, 25732, 26936, 32165, 33670, 34003, 36760, 47788, 51464, 59735, 64330, 67340, 68006, 83629, 95576, 119470, 128660, 134680, 136012, 167258, 170015, 238021, 238940, 257320, 272024, 334516, 340030, 418145, 442039, 476042, 477880, 669032, 680060, 836290, 884078, 952084, 1190105, 1360120, 1672580, 1768156, 1904168, 2210195, 2380210, 3094273, 3345160, 3536312, 4420390, 4760420, 6188546, 8840780, 9520840, 12377092, 15471365, 17681560, 24754184, 30942730, 61885460, 123770920]

約数ペア:

[(1, 123770920), (2, 61885460), (4, 30942730), (5, 24754184), (7, 17681560), (8, 15471365), (10, 12377092), (13, 9520840), (14, 8840780), (20, 6188546), (26, 4760420), (28, 4420390), (35, 3536312), (37, 3345160), (40, 3094273), (52, 2380210), (56, 2210195), (65, 1904168), (70, 1768156), (74, 1672580), (91, 1360120), (104, 1190105), (130, 952084), (140, 884078), (148, 836290), (182, 680060), (185, 669032), (259, 477880), (260, 476042), (280, 442039), (296, 418145), (364, 340030), (370, 334516), (455, 272024), (481, 257320), (518, 238940), (520, 238021), (728, 170015), (740, 167258), (910, 136012), (919, 134680), (962, 128660), (1036, 119470), (1295, 95576), (1480, 83629), (1820, 68006), (1838, 67340), (1924, 64330), (2072, 59735), (2405, 51464), (2590, 47788), (3367, 36760), (3640, 34003), (3676, 33670), (3848, 32165), (4595, 26936), (4810, 25732), (5180, 23894), (6433, 19240), (6734, 18380), (7352, 16835), (9190, 13468), (9620, 12866), (10360, 11947)]