664054720

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{131}}^1$

素因数の和:259

約数の個数: 224

約数和(自身を含む): 1905463296

約数和(自身を除く): 1241408576

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 32, 35, 40, 56, 62, 64, 70, 73, 80, 112, 124, 131, 140, 146, 155, 160, 217, 224, 248, 262, 280, 292, 310, 320, 365, 434, 448, 496, 511, 524, 560, 584, 620, 655, 730, 868, 917, 992, 1022, 1048, 1085, 1120, 1168, 1240, 1310, 1460, 1736, 1834, 1984, 2044, 2096, 2170, 2240, 2263, 2336, 2480, 2555, 2620, 2920, 3472, 3668, 4061, 4088, 4192, 4340, 4526, 4585, 4672, 4960, 5110, 5240, 5840, 6944, 7336, 8122, 8176, 8384, 8680, 9052, 9170, 9563, 9920, 10220, 10480, 11315, 11680, 13888, 14672, 15841, 16244, 16352, 17360, 18104, 18340, 19126, 20305, 20440, 20960, 22630, 23360, 28427, 29344, 31682, 32488, 32704, 34720, 36208, 36680, 38252, 40610, 40880, 41920, 45260, 47815, 56854, 58688, 63364, 64976, 66941, 69440, 72416, 73360, 76504, 79205, 81220, 81760, 90520, 95630, 113708, 126728, 129952, 133882, 142135, 144832, 146720, 153008, 158410, 162440, 163520, 181040, 191260, 227416, 253456, 259904, 267764, 284270, 293440, 296453, 306016, 316820, 324880, 334705, 362080, 382520, 454832, 506912, 535528, 568540, 592906, 612032, 633640, 649760, 669410, 724160, 765040, 909664, 1013824, 1071056, 1137080, 1185812, 1267280, 1299520, 1338820, 1482265, 1530080, 1819328, 2075171, 2142112, 2274160, 2371624, 2534560, 2677640, 2964530, 3060160, 4150342, 4284224, 4548320, 4743248, 5069120, 5355280, 5929060, 8300684, 9096640, 9486496, 10375855, 10710560, 11858120, 16601368, 18972992, 20751710, 21421120, 23716240, 33202736, 41503420, 47432480, 66405472, 83006840, 94864960, 132810944, 166013680, 332027360, 664054720]

約数ペア:

[(1, 664054720), (2, 332027360), (4, 166013680), (5, 132810944), (7, 94864960), (8, 83006840), (10, 66405472), (14, 47432480), (16, 41503420), (20, 33202736), (28, 23716240), (31, 21421120), (32, 20751710), (35, 18972992), (40, 16601368), (56, 11858120), (62, 10710560), (64, 10375855), (70, 9486496), (73, 9096640), (80, 8300684), (112, 5929060), (124, 5355280), (131, 5069120), (140, 4743248), (146, 4548320), (155, 4284224), (160, 4150342), (217, 3060160), (224, 2964530), (248, 2677640), (262, 2534560), (280, 2371624), (292, 2274160), (310, 2142112), (320, 2075171), (365, 1819328), (434, 1530080), (448, 1482265), (496, 1338820), (511, 1299520), (524, 1267280), (560, 1185812), (584, 1137080), (620, 1071056), (655, 1013824), (730, 909664), (868, 765040), (917, 724160), (992, 669410), (1022, 649760), (1048, 633640), (1085, 612032), (1120, 592906), (1168, 568540), (1240, 535528), (1310, 506912), (1460, 454832), (1736, 382520), (1834, 362080), (1984, 334705), (2044, 324880), (2096, 316820), (2170, 306016), (2240, 296453), (2263, 293440), (2336, 284270), (2480, 267764), (2555, 259904), (2620, 253456), (2920, 227416), (3472, 191260), (3668, 181040), (4061, 163520), (4088, 162440), (4192, 158410), (4340, 153008), (4526, 146720), (4585, 144832), (4672, 142135), (4960, 133882), (5110, 129952), (5240, 126728), (5840, 113708), (6944, 95630), (7336, 90520), (8122, 81760), (8176, 81220), (8384, 79205), (8680, 76504), (9052, 73360), (9170, 72416), (9563, 69440), (9920, 66941), (10220, 64976), (10480, 63364), (11315, 58688), (11680, 56854), (13888, 47815), (14672, 45260), (15841, 41920), (16244, 40880), (16352, 40610), (17360, 38252), (18104, 36680), (18340, 36208), (19126, 34720), (20305, 32704), (20440, 32488), (20960, 31682), (22630, 29344), (23360, 28427)]