1818781320

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{8597}}^1$

素因数の和:8695

約数の個数: 128

約数和(自身を含む): 5720077440

約数和(自身を除く): 3901296120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 41, 43, 60, 82, 86, 120, 123, 129, 164, 172, 205, 215, 246, 258, 328, 344, 410, 430, 492, 516, 615, 645, 820, 860, 984, 1032, 1230, 1290, 1640, 1720, 1763, 2460, 2580, 3526, 4920, 5160, 5289, 7052, 8597, 8815, 10578, 14104, 17194, 17630, 21156, 25791, 26445, 34388, 35260, 42312, 42985, 51582, 52890, 68776, 70520, 85970, 103164, 105780, 128955, 171940, 206328, 211560, 257910, 343880, 352477, 369671, 515820, 704954, 739342, 1031640, 1057431, 1109013, 1409908, 1478684, 1762385, 1848355, 2114862, 2218026, 2819816, 2957368, 3524770, 3696710, 4229724, 4436052, 5287155, 5545065, 7049540, 7393420, 8459448, 8872104, 10574310, 11090130, 14099080, 14786840, 15156511, 21148620, 22180260, 30313022, 42297240, 44360520, 45469533, 60626044, 75782555, 90939066, 121252088, 151565110, 181878132, 227347665, 303130220, 363756264, 454695330, 606260440, 909390660, 1818781320]

約数ペア:

[(1, 1818781320), (2, 909390660), (3, 606260440), (4, 454695330), (5, 363756264), (6, 303130220), (8, 227347665), (10, 181878132), (12, 151565110), (15, 121252088), (20, 90939066), (24, 75782555), (30, 60626044), (40, 45469533), (41, 44360520), (43, 42297240), (60, 30313022), (82, 22180260), (86, 21148620), (120, 15156511), (123, 14786840), (129, 14099080), (164, 11090130), (172, 10574310), (205, 8872104), (215, 8459448), (246, 7393420), (258, 7049540), (328, 5545065), (344, 5287155), (410, 4436052), (430, 4229724), (492, 3696710), (516, 3524770), (615, 2957368), (645, 2819816), (820, 2218026), (860, 2114862), (984, 1848355), (1032, 1762385), (1230, 1478684), (1290, 1409908), (1640, 1109013), (1720, 1057431), (1763, 1031640), (2460, 739342), (2580, 704954), (3526, 515820), (4920, 369671), (5160, 352477), (5289, 343880), (7052, 257910), (8597, 211560), (8815, 206328), (10578, 171940), (14104, 128955), (17194, 105780), (17630, 103164), (21156, 85970), (25791, 70520), (26445, 68776), (34388, 52890), (35260, 51582), (42312, 42985)]