815851920

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{2399}}^1$

素因数の和:2537

約数の個数: 160

約数和(自身を含む): 2749824000

約数和(自身を除く): 1933972080

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 39, 40, 48, 52, 60, 65, 78, 80, 104, 109, 120, 130, 156, 195, 208, 218, 240, 260, 312, 327, 390, 436, 520, 545, 624, 654, 780, 872, 1040, 1090, 1308, 1417, 1560, 1635, 1744, 2180, 2399, 2616, 2834, 3120, 3270, 4251, 4360, 4798, 5232, 5668, 6540, 7085, 7197, 8502, 8720, 9596, 11336, 11995, 13080, 14170, 14394, 17004, 19192, 21255, 22672, 23990, 26160, 28340, 28788, 31187, 34008, 35985, 38384, 42510, 47980, 56680, 57576, 62374, 68016, 71970, 85020, 93561, 95960, 113360, 115152, 124748, 143940, 155935, 170040, 187122, 191920, 249496, 261491, 287880, 311870, 340080, 374244, 467805, 498992, 522982, 575760, 623740, 748488, 784473, 935610, 1045964, 1247480, 1307455, 1496976, 1568946, 1871220, 2091928, 2494960, 2614910, 3137892, 3399383, 3742440, 3922365, 4183856, 5229820, 6275784, 6798766, 7484880, 7844730, 10198149, 10459640, 12551568, 13597532, 15689460, 16996915, 20396298, 20919280, 27195064, 31378920, 33993830, 40792596, 50990745, 54390128, 62757840, 67987660, 81585192, 101981490, 135975320, 163170384, 203962980, 271950640, 407925960, 815851920]

約数ペア:

[(1, 815851920), (2, 407925960), (3, 271950640), (4, 203962980), (5, 163170384), (6, 135975320), (8, 101981490), (10, 81585192), (12, 67987660), (13, 62757840), (15, 54390128), (16, 50990745), (20, 40792596), (24, 33993830), (26, 31378920), (30, 27195064), (39, 20919280), (40, 20396298), (48, 16996915), (52, 15689460), (60, 13597532), (65, 12551568), (78, 10459640), (80, 10198149), (104, 7844730), (109, 7484880), (120, 6798766), (130, 6275784), (156, 5229820), (195, 4183856), (208, 3922365), (218, 3742440), (240, 3399383), (260, 3137892), (312, 2614910), (327, 2494960), (390, 2091928), (436, 1871220), (520, 1568946), (545, 1496976), (624, 1307455), (654, 1247480), (780, 1045964), (872, 935610), (1040, 784473), (1090, 748488), (1308, 623740), (1417, 575760), (1560, 522982), (1635, 498992), (1744, 467805), (2180, 374244), (2399, 340080), (2616, 311870), (2834, 287880), (3120, 261491), (3270, 249496), (4251, 191920), (4360, 187122), (4798, 170040), (5232, 155935), (5668, 143940), (6540, 124748), (7085, 115152), (7197, 113360), (8502, 95960), (8720, 93561), (9596, 85020), (11336, 71970), (11995, 68016), (13080, 62374), (14170, 57576), (14394, 56680), (17004, 47980), (19192, 42510), (21255, 38384), (22672, 35985), (23990, 34008), (26160, 31187), (28340, 28788)]