987143920

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{269}}^1\times {\mathrm{6553}}^1$

素因数の和:6842

約数の個数: 80

約数和(自身を含む): 2633135040

約数和(自身を除く): 1645991120

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 269, 280, 538, 560, 1076, 1345, 1883, 2152, 2690, 3766, 4304, 5380, 6553, 7532, 9415, 10760, 13106, 15064, 18830, 21520, 26212, 30128, 32765, 37660, 45871, 52424, 65530, 75320, 91742, 104848, 131060, 150640, 183484, 229355, 262120, 366968, 458710, 524240, 733936, 917420, 1762757, 1834840, 3525514, 3669680, 7051028, 8813785, 12339299, 14102056, 17627570, 24678598, 28204112, 35255140, 49357196, 61696495, 70510280, 98714392, 123392990, 141020560, 197428784, 246785980, 493571960, 987143920]

約数ペア:

[(1, 987143920), (2, 493571960), (4, 246785980), (5, 197428784), (7, 141020560), (8, 123392990), (10, 98714392), (14, 70510280), (16, 61696495), (20, 49357196), (28, 35255140), (35, 28204112), (40, 24678598), (56, 17627570), (70, 14102056), (80, 12339299), (112, 8813785), (140, 7051028), (269, 3669680), (280, 3525514), (538, 1834840), (560, 1762757), (1076, 917420), (1345, 733936), (1883, 524240), (2152, 458710), (2690, 366968), (3766, 262120), (4304, 229355), (5380, 183484), (6553, 150640), (7532, 131060), (9415, 104848), (10760, 91742), (13106, 75320), (15064, 65530), (18830, 52424), (21520, 45871), (26212, 37660), (30128, 32765)]