15880920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{227}}^1$

素因数の和:305

約数の個数: 128

約数和(自身を含む): 53187840

約数和(自身を除く): 37306920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 20, 22, 24, 30, 33, 40, 44, 53, 55, 60, 66, 88, 106, 110, 120, 132, 159, 165, 212, 220, 227, 264, 265, 318, 330, 424, 440, 454, 530, 583, 636, 660, 681, 795, 908, 1060, 1135, 1166, 1272, 1320, 1362, 1590, 1749, 1816, 2120, 2270, 2332, 2497, 2724, 2915, 3180, 3405, 3498, 4540, 4664, 4994, 5448, 5830, 6360, 6810, 6996, 7491, 8745, 9080, 9988, 11660, 12031, 12485, 13620, 13992, 14982, 17490, 19976, 23320, 24062, 24970, 27240, 29964, 34980, 36093, 37455, 48124, 49940, 59928, 60155, 69960, 72186, 74910, 96248, 99880, 120310, 132341, 144372, 149820, 180465, 240620, 264682, 288744, 299640, 360930, 397023, 481240, 529364, 661705, 721860, 794046, 1058728, 1323410, 1443720, 1588092, 1985115, 2646820, 3176184, 3970230, 5293640, 7940460, 15880920]

約数ペア:

[(1, 15880920), (2, 7940460), (3, 5293640), (4, 3970230), (5, 3176184), (6, 2646820), (8, 1985115), (10, 1588092), (11, 1443720), (12, 1323410), (15, 1058728), (20, 794046), (22, 721860), (24, 661705), (30, 529364), (33, 481240), (40, 397023), (44, 360930), (53, 299640), (55, 288744), (60, 264682), (66, 240620), (88, 180465), (106, 149820), (110, 144372), (120, 132341), (132, 120310), (159, 99880), (165, 96248), (212, 74910), (220, 72186), (227, 69960), (264, 60155), (265, 59928), (318, 49940), (330, 48124), (424, 37455), (440, 36093), (454, 34980), (530, 29964), (583, 27240), (636, 24970), (660, 24062), (681, 23320), (795, 19976), (908, 17490), (1060, 14982), (1135, 13992), (1166, 13620), (1272, 12485), (1320, 12031), (1362, 11660), (1590, 9988), (1749, 9080), (1816, 8745), (2120, 7491), (2270, 6996), (2332, 6810), (2497, 6360), (2724, 5830), (2915, 5448), (3180, 4994), (3405, 4664), (3498, 4540)]