154456880

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{1021}}^1$

素因数の和:1126

約数の個数: 80

約数和(自身を含む): 377142528

約数和(自身を除く): 222685648

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 61, 62, 80, 122, 124, 155, 244, 248, 305, 310, 488, 496, 610, 620, 976, 1021, 1220, 1240, 1891, 2042, 2440, 2480, 3782, 4084, 4880, 5105, 7564, 8168, 9455, 10210, 15128, 16336, 18910, 20420, 30256, 31651, 37820, 40840, 62281, 63302, 75640, 81680, 124562, 126604, 151280, 158255, 249124, 253208, 311405, 316510, 498248, 506416, 622810, 633020, 996496, 1245620, 1266040, 1930711, 2491240, 2532080, 3861422, 4982480, 7722844, 9653555, 15445688, 19307110, 30891376, 38614220, 77228440, 154456880]

約数ペア:

[(1, 154456880), (2, 77228440), (4, 38614220), (5, 30891376), (8, 19307110), (10, 15445688), (16, 9653555), (20, 7722844), (31, 4982480), (40, 3861422), (61, 2532080), (62, 2491240), (80, 1930711), (122, 1266040), (124, 1245620), (155, 996496), (244, 633020), (248, 622810), (305, 506416), (310, 498248), (488, 316510), (496, 311405), (610, 253208), (620, 249124), (976, 158255), (1021, 151280), (1220, 126604), (1240, 124562), (1891, 81680), (2042, 75640), (2440, 63302), (2480, 62281), (3782, 40840), (4084, 37820), (4880, 31651), (5105, 30256), (7564, 20420), (8168, 18910), (9455, 16336), (10210, 15128)]