56141820

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{2621}}^1$

素因数の和:2660

約数の個数: 144

約数和(自身を含む): 206152128

約数和(自身を除く): 150010308

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 17, 18, 20, 21, 28, 30, 34, 35, 36, 42, 45, 51, 60, 63, 68, 70, 84, 85, 90, 102, 105, 119, 126, 140, 153, 170, 180, 204, 210, 238, 252, 255, 306, 315, 340, 357, 420, 476, 510, 595, 612, 630, 714, 765, 1020, 1071, 1190, 1260, 1428, 1530, 1785, 2142, 2380, 2621, 3060, 3570, 4284, 5242, 5355, 7140, 7863, 10484, 10710, 13105, 15726, 18347, 21420, 23589, 26210, 31452, 36694, 39315, 44557, 47178, 52420, 55041, 73388, 78630, 89114, 91735, 94356, 110082, 117945, 133671, 157260, 165123, 178228, 183470, 220164, 222785, 235890, 267342, 275205, 311899, 330246, 366940, 401013, 445570, 471780, 534684, 550410, 623798, 660492, 668355, 802026, 825615, 891140, 935697, 1100820, 1247596, 1336710, 1559495, 1604052, 1651230, 1871394, 2005065, 2673420, 2807091, 3118990, 3302460, 3742788, 4010130, 4678485, 5614182, 6237980, 8020260, 9356970, 11228364, 14035455, 18713940, 28070910, 56141820]

約数ペア:

[(1, 56141820), (2, 28070910), (3, 18713940), (4, 14035455), (5, 11228364), (6, 9356970), (7, 8020260), (9, 6237980), (10, 5614182), (12, 4678485), (14, 4010130), (15, 3742788), (17, 3302460), (18, 3118990), (20, 2807091), (21, 2673420), (28, 2005065), (30, 1871394), (34, 1651230), (35, 1604052), (36, 1559495), (42, 1336710), (45, 1247596), (51, 1100820), (60, 935697), (63, 891140), (68, 825615), (70, 802026), (84, 668355), (85, 660492), (90, 623798), (102, 550410), (105, 534684), (119, 471780), (126, 445570), (140, 401013), (153, 366940), (170, 330246), (180, 311899), (204, 275205), (210, 267342), (238, 235890), (252, 222785), (255, 220164), (306, 183470), (315, 178228), (340, 165123), (357, 157260), (420, 133671), (476, 117945), (510, 110082), (595, 94356), (612, 91735), (630, 89114), (714, 78630), (765, 73388), (1020, 55041), (1071, 52420), (1190, 47178), (1260, 44557), (1428, 39315), (1530, 36694), (1785, 31452), (2142, 26210), (2380, 23589), (2621, 21420), (3060, 18347), (3570, 15726), (4284, 13105), (5242, 10710), (5355, 10484), (7140, 7863)]