28640960

素因数分解:

$2^6\times 5^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{59}}^1$

素因数の和:154

約数の個数: 112

約数和(自身を含む): 72969120

約数和(自身を除く): 44328160

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 37, 40, 41, 59, 64, 74, 80, 82, 118, 148, 160, 164, 185, 205, 236, 295, 296, 320, 328, 370, 410, 472, 590, 592, 656, 740, 820, 944, 1180, 1184, 1312, 1480, 1517, 1640, 1888, 2183, 2360, 2368, 2419, 2624, 2960, 3034, 3280, 3776, 4366, 4720, 4838, 5920, 6068, 6560, 7585, 8732, 9440, 9676, 10915, 11840, 12095, 12136, 13120, 15170, 17464, 18880, 19352, 21830, 24190, 24272, 30340, 34928, 38704, 43660, 48380, 48544, 60680, 69856, 77408, 87320, 89503, 96760, 97088, 121360, 139712, 154816, 174640, 179006, 193520, 242720, 349280, 358012, 387040, 447515, 485440, 698560, 716024, 774080, 895030, 1432048, 1790060, 2864096, 3580120, 5728192, 7160240, 14320480, 28640960]

約数ペア:

[(1, 28640960), (2, 14320480), (4, 7160240), (5, 5728192), (8, 3580120), (10, 2864096), (16, 1790060), (20, 1432048), (32, 895030), (37, 774080), (40, 716024), (41, 698560), (59, 485440), (64, 447515), (74, 387040), (80, 358012), (82, 349280), (118, 242720), (148, 193520), (160, 179006), (164, 174640), (185, 154816), (205, 139712), (236, 121360), (295, 97088), (296, 96760), (320, 89503), (328, 87320), (370, 77408), (410, 69856), (472, 60680), (590, 48544), (592, 48380), (656, 43660), (740, 38704), (820, 34928), (944, 30340), (1180, 24272), (1184, 24190), (1312, 21830), (1480, 19352), (1517, 18880), (1640, 17464), (1888, 15170), (2183, 13120), (2360, 12136), (2368, 12095), (2419, 11840), (2624, 10915), (2960, 9676), (3034, 9440), (3280, 8732), (3776, 7585), (4366, 6560), (4720, 6068), (4838, 5920)]