291208640

素因数分解:

$2^6\times 5^1\times {\mathrm{17}}^1\times {\mathrm{199}}^1\times {\mathrm{269}}^1$

素因数の和:502

約数の個数: 112

約数和(自身を含む): 740664000

約数和(自身を除く): 449455360

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 64, 68, 80, 85, 136, 160, 170, 199, 269, 272, 320, 340, 398, 538, 544, 680, 796, 995, 1076, 1088, 1345, 1360, 1592, 1990, 2152, 2690, 2720, 3184, 3383, 3980, 4304, 4573, 5380, 5440, 6368, 6766, 7960, 8608, 9146, 10760, 12736, 13532, 15920, 16915, 17216, 18292, 21520, 22865, 27064, 31840, 33830, 36584, 43040, 45730, 53531, 54128, 63680, 67660, 73168, 86080, 91460, 107062, 108256, 135320, 146336, 182920, 214124, 216512, 267655, 270640, 292672, 365840, 428248, 535310, 541280, 731680, 856496, 910027, 1070620, 1082560, 1463360, 1712992, 1820054, 2141240, 3425984, 3640108, 4282480, 4550135, 7280216, 8564960, 9100270, 14560432, 17129920, 18200540, 29120864, 36401080, 58241728, 72802160, 145604320, 291208640]

約数ペア:

[(1, 291208640), (2, 145604320), (4, 72802160), (5, 58241728), (8, 36401080), (10, 29120864), (16, 18200540), (17, 17129920), (20, 14560432), (32, 9100270), (34, 8564960), (40, 7280216), (64, 4550135), (68, 4282480), (80, 3640108), (85, 3425984), (136, 2141240), (160, 1820054), (170, 1712992), (199, 1463360), (269, 1082560), (272, 1070620), (320, 910027), (340, 856496), (398, 731680), (538, 541280), (544, 535310), (680, 428248), (796, 365840), (995, 292672), (1076, 270640), (1088, 267655), (1345, 216512), (1360, 214124), (1592, 182920), (1990, 146336), (2152, 135320), (2690, 108256), (2720, 107062), (3184, 91460), (3383, 86080), (3980, 73168), (4304, 67660), (4573, 63680), (5380, 54128), (5440, 53531), (6368, 45730), (6766, 43040), (7960, 36584), (8608, 33830), (9146, 31840), (10760, 27064), (12736, 22865), (13532, 21520), (15920, 18292), (16915, 17216)]