About the Number

15112890

15112889 ← → 15112891

2進数表記:111001101001101010111010

漢数字表記:千五百十一万二千八百九十

素因数分解:

2 1 × 3 2 × 5 1 × 13 1 × 12917 1

素因数の和:12943
約数の個数: 48
約数和(自身を含む): 42319368
約数和(自身を除く): 27206478

約数列:
[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 26, 30, 39, 45, 65, 78, 90, 117, 130, 195, 234, 390, 585, 1170, 12917, 25834, 38751, 64585, 77502, 116253, 129170, 167921, 193755, 232506, 335842, 387510, 503763, 581265, 839605, 1007526, 1162530, 1511289, 1679210, 2518815, 3022578, 5037630, 7556445, 15112890]

約数ペア:
[(1, 15112890), (2, 7556445), (3, 5037630), (5, 3022578), (6, 2518815), (9, 1679210), (10, 1511289), (13, 1162530), (15, 1007526), (18, 839605), (26, 581265), (30, 503763), (39, 387510), (45, 335842), (65, 232506), (78, 193755), (90, 167921), (117, 129170), (130, 116253), (195, 77502), (234, 64585), (390, 38751), (585, 25834), (1170, 12917)]

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