66886840

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{167}}^1$

素因数の和:245

約数の個数: 128

約数和(自身を含む): 174182400

約数和(自身を除く): 107295560

約数列:

[1, 2, 4, 5, 8, 10, 17, 19, 20, 31, 34, 38, 40, 62, 68, 76, 85, 95, 124, 136, 152, 155, 167, 170, 190, 248, 310, 323, 334, 340, 380, 527, 589, 620, 646, 668, 680, 760, 835, 1054, 1178, 1240, 1292, 1336, 1615, 1670, 2108, 2356, 2584, 2635, 2839, 2945, 3173, 3230, 3340, 4216, 4712, 5177, 5270, 5678, 5890, 6346, 6460, 6680, 10013, 10354, 10540, 11356, 11780, 12692, 12920, 14195, 15865, 20026, 20708, 21080, 22712, 23560, 25384, 25885, 28390, 31730, 40052, 41416, 50065, 51770, 53941, 56780, 63460, 80104, 88009, 98363, 100130, 103540, 107882, 113560, 126920, 176018, 196726, 200260, 207080, 215764, 269705, 352036, 393452, 400520, 431528, 440045, 491815, 539410, 704072, 786904, 880090, 983630, 1078820, 1672171, 1760180, 1967260, 2157640, 3344342, 3520360, 3934520, 6688684, 8360855, 13377368, 16721710, 33443420, 66886840]

約数ペア:

[(1, 66886840), (2, 33443420), (4, 16721710), (5, 13377368), (8, 8360855), (10, 6688684), (17, 3934520), (19, 3520360), (20, 3344342), (31, 2157640), (34, 1967260), (38, 1760180), (40, 1672171), (62, 1078820), (68, 983630), (76, 880090), (85, 786904), (95, 704072), (124, 539410), (136, 491815), (152, 440045), (155, 431528), (167, 400520), (170, 393452), (190, 352036), (248, 269705), (310, 215764), (323, 207080), (334, 200260), (340, 196726), (380, 176018), (527, 126920), (589, 113560), (620, 107882), (646, 103540), (668, 100130), (680, 98363), (760, 88009), (835, 80104), (1054, 63460), (1178, 56780), (1240, 53941), (1292, 51770), (1336, 50065), (1615, 41416), (1670, 40052), (2108, 31730), (2356, 28390), (2584, 25885), (2635, 25384), (2839, 23560), (2945, 22712), (3173, 21080), (3230, 20708), (3340, 20026), (4216, 15865), (4712, 14195), (5177, 12920), (5270, 12692), (5678, 11780), (5890, 11356), (6346, 10540), (6460, 10354), (6680, 10013)]