18260760

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{21739}}^1$

素因数の和:21760

約数の個数: 64

約数和(自身を含む): 62611200

約数和(自身を除く): 44350440

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 21739, 43478, 65217, 86956, 108695, 130434, 152173, 173912, 217390, 260868, 304346, 326085, 434780, 456519, 521736, 608692, 652170, 760865, 869560, 913038, 1217384, 1304340, 1521730, 1826076, 2282595, 2608680, 3043460, 3652152, 4565190, 6086920, 9130380, 18260760]

約数ペア:

[(1, 18260760), (2, 9130380), (3, 6086920), (4, 4565190), (5, 3652152), (6, 3043460), (7, 2608680), (8, 2282595), (10, 1826076), (12, 1521730), (14, 1304340), (15, 1217384), (20, 913038), (21, 869560), (24, 760865), (28, 652170), (30, 608692), (35, 521736), (40, 456519), (42, 434780), (56, 326085), (60, 304346), (70, 260868), (84, 217390), (105, 173912), (120, 152173), (140, 130434), (168, 108695), (210, 86956), (280, 65217), (420, 43478), (840, 21739)]