646935720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{5717}}^1$

素因数の和:5795

約数の個数: 128

約数和(自身を含む): 2074947840

約数和(自身を除く): 1428012120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 23, 24, 30, 40, 41, 46, 60, 69, 82, 92, 115, 120, 123, 138, 164, 184, 205, 230, 246, 276, 328, 345, 410, 460, 492, 552, 615, 690, 820, 920, 943, 984, 1230, 1380, 1640, 1886, 2460, 2760, 2829, 3772, 4715, 4920, 5658, 5717, 7544, 9430, 11316, 11434, 14145, 17151, 18860, 22632, 22868, 28290, 28585, 34302, 37720, 45736, 56580, 57170, 68604, 85755, 113160, 114340, 131491, 137208, 171510, 228680, 234397, 262982, 343020, 394473, 468794, 525964, 657455, 686040, 703191, 788946, 937588, 1051928, 1171985, 1314910, 1406382, 1577892, 1875176, 1972365, 2343970, 2629820, 2812764, 3155784, 3515955, 3944730, 4687940, 5259640, 5391131, 5625528, 7031910, 7889460, 9375880, 10782262, 14063820, 15778920, 16173393, 21564524, 26955655, 28127640, 32346786, 43129048, 53911310, 64693572, 80866965, 107822620, 129387144, 161733930, 215645240, 323467860, 646935720]

約数ペア:

[(1, 646935720), (2, 323467860), (3, 215645240), (4, 161733930), (5, 129387144), (6, 107822620), (8, 80866965), (10, 64693572), (12, 53911310), (15, 43129048), (20, 32346786), (23, 28127640), (24, 26955655), (30, 21564524), (40, 16173393), (41, 15778920), (46, 14063820), (60, 10782262), (69, 9375880), (82, 7889460), (92, 7031910), (115, 5625528), (120, 5391131), (123, 5259640), (138, 4687940), (164, 3944730), (184, 3515955), (205, 3155784), (230, 2812764), (246, 2629820), (276, 2343970), (328, 1972365), (345, 1875176), (410, 1577892), (460, 1406382), (492, 1314910), (552, 1171985), (615, 1051928), (690, 937588), (820, 788946), (920, 703191), (943, 686040), (984, 657455), (1230, 525964), (1380, 468794), (1640, 394473), (1886, 343020), (2460, 262982), (2760, 234397), (2829, 228680), (3772, 171510), (4715, 137208), (4920, 131491), (5658, 114340), (5717, 113160), (7544, 85755), (9430, 68604), (11316, 57170), (11434, 56580), (14145, 45736), (17151, 37720), (18860, 34302), (22632, 28585), (22868, 28290)]