51887640

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{223}}^1\times {\mathrm{277}}^1$

素因数の和:521

約数の個数: 128

約数和(自身を含む): 179343360

約数和(自身を除く): 127455720

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 223, 277, 280, 420, 446, 554, 669, 831, 840, 892, 1108, 1115, 1338, 1385, 1561, 1662, 1784, 1939, 2216, 2230, 2676, 2770, 3122, 3324, 3345, 3878, 4155, 4460, 4683, 5352, 5540, 5817, 6244, 6648, 6690, 7756, 7805, 8310, 8920, 9366, 9695, 11080, 11634, 12488, 13380, 15512, 15610, 16620, 18732, 19390, 23268, 23415, 26760, 29085, 31220, 33240, 37464, 38780, 46536, 46830, 58170, 61771, 62440, 77560, 93660, 116340, 123542, 185313, 187320, 232680, 247084, 308855, 370626, 432397, 494168, 617710, 741252, 864794, 926565, 1235420, 1297191, 1482504, 1729588, 1853130, 2161985, 2470840, 2594382, 3459176, 3706260, 4323970, 5188764, 6485955, 7412520, 8647940, 10377528, 12971910, 17295880, 25943820, 51887640]

約数ペア:

[(1, 51887640), (2, 25943820), (3, 17295880), (4, 12971910), (5, 10377528), (6, 8647940), (7, 7412520), (8, 6485955), (10, 5188764), (12, 4323970), (14, 3706260), (15, 3459176), (20, 2594382), (21, 2470840), (24, 2161985), (28, 1853130), (30, 1729588), (35, 1482504), (40, 1297191), (42, 1235420), (56, 926565), (60, 864794), (70, 741252), (84, 617710), (105, 494168), (120, 432397), (140, 370626), (168, 308855), (210, 247084), (223, 232680), (277, 187320), (280, 185313), (420, 123542), (446, 116340), (554, 93660), (669, 77560), (831, 62440), (840, 61771), (892, 58170), (1108, 46830), (1115, 46536), (1338, 38780), (1385, 37464), (1561, 33240), (1662, 31220), (1784, 29085), (1939, 26760), (2216, 23415), (2230, 23268), (2676, 19390), (2770, 18732), (3122, 16620), (3324, 15610), (3345, 15512), (3878, 13380), (4155, 12488), (4460, 11634), (4683, 11080), (5352, 9695), (5540, 9366), (5817, 8920), (6244, 8310), (6648, 7805), (6690, 7756)]