15685320

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{263}}^1$

素因数の和:355

約数の個数: 128

約数和(自身を含む): 54743040

約数和(自身を除く): 39057720

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, 71, 84, 105, 120, 140, 142, 168, 210, 213, 263, 280, 284, 355, 420, 426, 497, 526, 568, 710, 789, 840, 852, 994, 1052, 1065, 1315, 1420, 1491, 1578, 1704, 1841, 1988, 2104, 2130, 2485, 2630, 2840, 2982, 3156, 3682, 3945, 3976, 4260, 4970, 5260, 5523, 5964, 6312, 7364, 7455, 7890, 8520, 9205, 9940, 10520, 11046, 11928, 14728, 14910, 15780, 18410, 18673, 19880, 22092, 27615, 29820, 31560, 36820, 37346, 44184, 55230, 56019, 59640, 73640, 74692, 93365, 110460, 112038, 130711, 149384, 186730, 220920, 224076, 261422, 280095, 373460, 392133, 448152, 522844, 560190, 653555, 746920, 784266, 1045688, 1120380, 1307110, 1568532, 1960665, 2240760, 2614220, 3137064, 3921330, 5228440, 7842660, 15685320]

約数ペア:

[(1, 15685320), (2, 7842660), (3, 5228440), (4, 3921330), (5, 3137064), (6, 2614220), (7, 2240760), (8, 1960665), (10, 1568532), (12, 1307110), (14, 1120380), (15, 1045688), (20, 784266), (21, 746920), (24, 653555), (28, 560190), (30, 522844), (35, 448152), (40, 392133), (42, 373460), (56, 280095), (60, 261422), (70, 224076), (71, 220920), (84, 186730), (105, 149384), (120, 130711), (140, 112038), (142, 110460), (168, 93365), (210, 74692), (213, 73640), (263, 59640), (280, 56019), (284, 55230), (355, 44184), (420, 37346), (426, 36820), (497, 31560), (526, 29820), (568, 27615), (710, 22092), (789, 19880), (840, 18673), (852, 18410), (994, 15780), (1052, 14910), (1065, 14728), (1315, 11928), (1420, 11046), (1491, 10520), (1578, 9940), (1704, 9205), (1841, 8520), (1988, 7890), (2104, 7455), (2130, 7364), (2485, 6312), (2630, 5964), (2840, 5523), (2982, 5260), (3156, 4970), (3682, 4260), (3945, 3976)]