157287720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{18461}}^1$

素因数の和:18546

約数の個数: 64

約数和(自身を含む): 478535040

約数和(自身を除く): 321247320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 71, 120, 142, 213, 284, 355, 426, 568, 710, 852, 1065, 1420, 1704, 2130, 2840, 4260, 8520, 18461, 36922, 55383, 73844, 92305, 110766, 147688, 184610, 221532, 276915, 369220, 443064, 553830, 738440, 1107660, 1310731, 2215320, 2621462, 3932193, 5242924, 6553655, 7864386, 10485848, 13107310, 15728772, 19660965, 26214620, 31457544, 39321930, 52429240, 78643860, 157287720]

約数ペア:

[(1, 157287720), (2, 78643860), (3, 52429240), (4, 39321930), (5, 31457544), (6, 26214620), (8, 19660965), (10, 15728772), (12, 13107310), (15, 10485848), (20, 7864386), (24, 6553655), (30, 5242924), (40, 3932193), (60, 2621462), (71, 2215320), (120, 1310731), (142, 1107660), (213, 738440), (284, 553830), (355, 443064), (426, 369220), (568, 276915), (710, 221532), (852, 184610), (1065, 147688), (1420, 110766), (1704, 92305), (2130, 73844), (2840, 55383), (4260, 36922), (8520, 18461)]