419090240

素因数分解:

$2^6\times 5^1\times {\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{509}}^1$

素因数の和:640

約数の個数: 112

約数和(自身を含む): 1044610560

約数和(自身を除く): 625520320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 83, 124, 155, 160, 166, 248, 310, 320, 332, 415, 496, 509, 620, 664, 830, 992, 1018, 1240, 1328, 1660, 1984, 2036, 2480, 2545, 2573, 2656, 3320, 4072, 4960, 5090, 5146, 5312, 6640, 8144, 9920, 10180, 10292, 12865, 13280, 15779, 16288, 20360, 20584, 25730, 26560, 31558, 32576, 40720, 41168, 42247, 51460, 63116, 78895, 81440, 82336, 84494, 102920, 126232, 157790, 162880, 164672, 168988, 205840, 211235, 252464, 315580, 337976, 411680, 422470, 504928, 631160, 675952, 823360, 844940, 1009856, 1262320, 1309657, 1351904, 1689880, 2524640, 2619314, 2703808, 3379760, 5049280, 5238628, 6548285, 6759520, 10477256, 13096570, 13519040, 20954512, 26193140, 41909024, 52386280, 83818048, 104772560, 209545120, 419090240]

約数ペア:

[(1, 419090240), (2, 209545120), (4, 104772560), (5, 83818048), (8, 52386280), (10, 41909024), (16, 26193140), (20, 20954512), (31, 13519040), (32, 13096570), (40, 10477256), (62, 6759520), (64, 6548285), (80, 5238628), (83, 5049280), (124, 3379760), (155, 2703808), (160, 2619314), (166, 2524640), (248, 1689880), (310, 1351904), (320, 1309657), (332, 1262320), (415, 1009856), (496, 844940), (509, 823360), (620, 675952), (664, 631160), (830, 504928), (992, 422470), (1018, 411680), (1240, 337976), (1328, 315580), (1660, 252464), (1984, 211235), (2036, 205840), (2480, 168988), (2545, 164672), (2573, 162880), (2656, 157790), (3320, 126232), (4072, 102920), (4960, 84494), (5090, 82336), (5146, 81440), (5312, 78895), (6640, 63116), (8144, 51460), (9920, 42247), (10180, 41168), (10292, 40720), (12865, 32576), (13280, 31558), (15779, 26560), (16288, 25730), (20360, 20584)]