15921750

素因数分解:

$2^1\times 3^1\times 5^3\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1$

素因数の和:127

約数の個数: 128

約数和(自身を含む): 45287424

約数和(自身を除く): 29365674

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 23, 25, 26, 30, 39, 46, 50, 65, 69, 71, 75, 78, 115, 125, 130, 138, 142, 150, 195, 213, 230, 250, 299, 325, 345, 355, 375, 390, 426, 575, 598, 650, 690, 710, 750, 897, 923, 975, 1065, 1150, 1495, 1625, 1633, 1725, 1775, 1794, 1846, 1950, 2130, 2769, 2875, 2990, 3250, 3266, 3450, 3550, 4485, 4615, 4875, 4899, 5325, 5538, 5750, 7475, 8165, 8625, 8875, 8970, 9230, 9750, 9798, 10650, 13845, 14950, 16330, 17250, 17750, 21229, 22425, 23075, 24495, 26625, 27690, 37375, 40825, 42458, 44850, 46150, 48990, 53250, 63687, 69225, 74750, 81650, 106145, 112125, 115375, 122475, 127374, 138450, 204125, 212290, 224250, 230750, 244950, 318435, 346125, 408250, 530725, 612375, 636870, 692250, 1061450, 1224750, 1592175, 2653625, 3184350, 5307250, 7960875, 15921750]

約数ペア:

[(1, 15921750), (2, 7960875), (3, 5307250), (5, 3184350), (6, 2653625), (10, 1592175), (13, 1224750), (15, 1061450), (23, 692250), (25, 636870), (26, 612375), (30, 530725), (39, 408250), (46, 346125), (50, 318435), (65, 244950), (69, 230750), (71, 224250), (75, 212290), (78, 204125), (115, 138450), (125, 127374), (130, 122475), (138, 115375), (142, 112125), (150, 106145), (195, 81650), (213, 74750), (230, 69225), (250, 63687), (299, 53250), (325, 48990), (345, 46150), (355, 44850), (375, 42458), (390, 40825), (426, 37375), (575, 27690), (598, 26625), (650, 24495), (690, 23075), (710, 22425), (750, 21229), (897, 17750), (923, 17250), (975, 16330), (1065, 14950), (1150, 13845), (1495, 10650), (1625, 9798), (1633, 9750), (1725, 9230), (1775, 8970), (1794, 8875), (1846, 8625), (1950, 8165), (2130, 7475), (2769, 5750), (2875, 5538), (2990, 5325), (3250, 4899), (3266, 4875), (3450, 4615), (3550, 4485)]