615264440

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{971}}^1$

素因数の和:1093

約数の個数: 128

約数和(自身を含む): 1657221120

約数和(自身を除く): 1041956680

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 31, 35, 40, 56, 62, 70, 73, 124, 140, 146, 155, 217, 248, 280, 292, 310, 365, 434, 511, 584, 620, 730, 868, 971, 1022, 1085, 1240, 1460, 1736, 1942, 2044, 2170, 2263, 2555, 2920, 3884, 4088, 4340, 4526, 4855, 5110, 6797, 7768, 8680, 9052, 9710, 10220, 11315, 13594, 15841, 18104, 19420, 20440, 22630, 27188, 30101, 31682, 33985, 38840, 45260, 54376, 60202, 63364, 67970, 70883, 79205, 90520, 120404, 126728, 135940, 141766, 150505, 158410, 210707, 240808, 271880, 283532, 301010, 316820, 354415, 421414, 496181, 567064, 602020, 633640, 708830, 842828, 992362, 1053535, 1204040, 1417660, 1685656, 1984724, 2107070, 2197373, 2480905, 2835320, 3969448, 4214140, 4394746, 4961810, 8428280, 8789492, 9923620, 10986865, 15381611, 17578984, 19847240, 21973730, 30763222, 43947460, 61526444, 76908055, 87894920, 123052888, 153816110, 307632220, 615264440]

約数ペア:

[(1, 615264440), (2, 307632220), (4, 153816110), (5, 123052888), (7, 87894920), (8, 76908055), (10, 61526444), (14, 43947460), (20, 30763222), (28, 21973730), (31, 19847240), (35, 17578984), (40, 15381611), (56, 10986865), (62, 9923620), (70, 8789492), (73, 8428280), (124, 4961810), (140, 4394746), (146, 4214140), (155, 3969448), (217, 2835320), (248, 2480905), (280, 2197373), (292, 2107070), (310, 1984724), (365, 1685656), (434, 1417660), (511, 1204040), (584, 1053535), (620, 992362), (730, 842828), (868, 708830), (971, 633640), (1022, 602020), (1085, 567064), (1240, 496181), (1460, 421414), (1736, 354415), (1942, 316820), (2044, 301010), (2170, 283532), (2263, 271880), (2555, 240808), (2920, 210707), (3884, 158410), (4088, 150505), (4340, 141766), (4526, 135940), (4855, 126728), (5110, 120404), (6797, 90520), (7768, 79205), (8680, 70883), (9052, 67970), (9710, 63364), (10220, 60202), (11315, 54376), (13594, 45260), (15841, 38840), (18104, 33985), (19420, 31682), (20440, 30101), (22630, 27188)]