257928060

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{10667}}^1$

素因数の和:10723

約数の個数: 96

約数和(自身を含む): 802916352

約数和(自身を除く): 544988292

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 31, 39, 52, 60, 62, 65, 78, 93, 124, 130, 155, 156, 186, 195, 260, 310, 372, 390, 403, 465, 620, 780, 806, 930, 1209, 1612, 1860, 2015, 2418, 4030, 4836, 6045, 8060, 10667, 12090, 21334, 24180, 32001, 42668, 53335, 64002, 106670, 128004, 138671, 160005, 213340, 277342, 320010, 330677, 416013, 554684, 640020, 661354, 693355, 832026, 992031, 1322708, 1386710, 1653385, 1664052, 1984062, 2080065, 2773420, 3306770, 3968124, 4160130, 4298801, 4960155, 6613540, 8320260, 8597602, 9920310, 12896403, 17195204, 19840620, 21494005, 25792806, 42988010, 51585612, 64482015, 85976020, 128964030, 257928060]

約数ペア:

[(1, 257928060), (2, 128964030), (3, 85976020), (4, 64482015), (5, 51585612), (6, 42988010), (10, 25792806), (12, 21494005), (13, 19840620), (15, 17195204), (20, 12896403), (26, 9920310), (30, 8597602), (31, 8320260), (39, 6613540), (52, 4960155), (60, 4298801), (62, 4160130), (65, 3968124), (78, 3306770), (93, 2773420), (124, 2080065), (130, 1984062), (155, 1664052), (156, 1653385), (186, 1386710), (195, 1322708), (260, 992031), (310, 832026), (372, 693355), (390, 661354), (403, 640020), (465, 554684), (620, 416013), (780, 330677), (806, 320010), (930, 277342), (1209, 213340), (1612, 160005), (1860, 138671), (2015, 128004), (2418, 106670), (4030, 64002), (4836, 53335), (6045, 42668), (8060, 32001), (10667, 24180), (12090, 21334)]