12840480

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{241}}^1$

素因数の和:299

約数の個数: 144

約数和(自身を含む): 45189144

約数和(自身を除く): 32348664

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 37, 40, 45, 48, 60, 72, 74, 80, 90, 96, 111, 120, 144, 148, 160, 180, 185, 222, 240, 241, 288, 296, 333, 360, 370, 444, 480, 482, 555, 592, 666, 720, 723, 740, 888, 964, 1110, 1184, 1205, 1332, 1440, 1446, 1480, 1665, 1776, 1928, 2169, 2220, 2410, 2664, 2892, 2960, 3330, 3552, 3615, 3856, 4338, 4440, 4820, 5328, 5784, 5920, 6660, 7230, 7712, 8676, 8880, 8917, 9640, 10656, 10845, 11568, 13320, 14460, 17352, 17760, 17834, 19280, 21690, 23136, 26640, 26751, 28920, 34704, 35668, 38560, 43380, 44585, 53280, 53502, 57840, 69408, 71336, 80253, 86760, 89170, 107004, 115680, 133755, 142672, 160506, 173520, 178340, 214008, 267510, 285344, 321012, 347040, 356680, 401265, 428016, 535020, 642024, 713360, 802530, 856032, 1070040, 1284048, 1426720, 1605060, 2140080, 2568096, 3210120, 4280160, 6420240, 12840480]

約数ペア:

[(1, 12840480), (2, 6420240), (3, 4280160), (4, 3210120), (5, 2568096), (6, 2140080), (8, 1605060), (9, 1426720), (10, 1284048), (12, 1070040), (15, 856032), (16, 802530), (18, 713360), (20, 642024), (24, 535020), (30, 428016), (32, 401265), (36, 356680), (37, 347040), (40, 321012), (45, 285344), (48, 267510), (60, 214008), (72, 178340), (74, 173520), (80, 160506), (90, 142672), (96, 133755), (111, 115680), (120, 107004), (144, 89170), (148, 86760), (160, 80253), (180, 71336), (185, 69408), (222, 57840), (240, 53502), (241, 53280), (288, 44585), (296, 43380), (333, 38560), (360, 35668), (370, 34704), (444, 28920), (480, 26751), (482, 26640), (555, 23136), (592, 21690), (666, 19280), (720, 17834), (723, 17760), (740, 17352), (888, 14460), (964, 13320), (1110, 11568), (1184, 10845), (1205, 10656), (1332, 9640), (1440, 8917), (1446, 8880), (1480, 8676), (1665, 7712), (1776, 7230), (1928, 6660), (2169, 5920), (2220, 5784), (2410, 5328), (2664, 4820), (2892, 4440), (2960, 4338), (3330, 3856), (3552, 3615)]