308913760

素因数分解:

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

素因数の和:1128

約数の個数: 96

約数和(自身を含む): 766450944

約数和(自身を除く): 457537184

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 61, 62, 80, 122, 124, 155, 160, 244, 248, 305, 310, 488, 496, 610, 620, 976, 992, 1021, 1220, 1240, 1891, 1952, 2042, 2440, 2480, 3782, 4084, 4880, 4960, 5105, 7564, 8168, 9455, 9760, 10210, 15128, 16336, 18910, 20420, 30256, 31651, 32672, 37820, 40840, 60512, 62281, 63302, 75640, 81680, 124562, 126604, 151280, 158255, 163360, 249124, 253208, 302560, 311405, 316510, 498248, 506416, 622810, 633020, 996496, 1012832, 1245620, 1266040, 1930711, 1992992, 2491240, 2532080, 3861422, 4982480, 5064160, 7722844, 9653555, 9964960, 15445688, 19307110, 30891376, 38614220, 61782752, 77228440, 154456880, 308913760]

約数ペア:

[(1, 308913760), (2, 154456880), (4, 77228440), (5, 61782752), (8, 38614220), (10, 30891376), (16, 19307110), (20, 15445688), (31, 9964960), (32, 9653555), (40, 7722844), (61, 5064160), (62, 4982480), (80, 3861422), (122, 2532080), (124, 2491240), (155, 1992992), (160, 1930711), (244, 1266040), (248, 1245620), (305, 1012832), (310, 996496), (488, 633020), (496, 622810), (610, 506416), (620, 498248), (976, 316510), (992, 311405), (1021, 302560), (1220, 253208), (1240, 249124), (1891, 163360), (1952, 158255), (2042, 151280), (2440, 126604), (2480, 124562), (3782, 81680), (4084, 75640), (4880, 63302), (4960, 62281), (5105, 60512), (7564, 40840), (8168, 37820), (9455, 32672), (9760, 31651), (10210, 30256), (15128, 20420), (16336, 18910)]