18246996880

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{241}}^1\times {\mathrm{2551}}^1$

素因数の和:2865

約数の個数: 160

約数和(自身を含む): 49624109568

約数和(自身を除く): 31377112688

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 53, 56, 70, 80, 106, 112, 140, 212, 241, 265, 280, 371, 424, 482, 530, 560, 742, 848, 964, 1060, 1205, 1484, 1687, 1855, 1928, 2120, 2410, 2551, 2968, 3374, 3710, 3856, 4240, 4820, 5102, 5936, 6748, 7420, 8435, 9640, 10204, 12755, 12773, 13496, 14840, 16870, 17857, 19280, 20408, 25510, 25546, 26992, 29680, 33740, 35714, 40816, 51020, 51092, 63865, 67480, 71428, 89285, 89411, 102040, 102184, 127730, 134960, 135203, 142856, 178570, 178822, 204080, 204368, 255460, 270406, 285712, 357140, 357644, 447055, 510920, 540812, 614791, 676015, 714280, 715288, 894110, 946421, 1021840, 1081624, 1229582, 1352030, 1428560, 1430576, 1788220, 1892842, 2163248, 2459164, 2704060, 3073955, 3576440, 3785684, 4303537, 4732105, 4918328, 5408120, 6147910, 7152880, 7571368, 8607074, 9464210, 9836656, 10816240, 12295820, 15142736, 17214148, 18928420, 21517685, 24591640, 32583923, 34428296, 37856840, 43035370, 49183280, 65167846, 68856592, 75713680, 86070740, 130335692, 162919615, 172141480, 228087461, 260671384, 325839230, 344282960, 456174922, 521342768, 651678460, 912349844, 1140437305, 1303356920, 1824699688, 2280874610, 2606713840, 3649399376, 4561749220, 9123498440, 18246996880]

約数ペア:

[(1, 18246996880), (2, 9123498440), (4, 4561749220), (5, 3649399376), (7, 2606713840), (8, 2280874610), (10, 1824699688), (14, 1303356920), (16, 1140437305), (20, 912349844), (28, 651678460), (35, 521342768), (40, 456174922), (53, 344282960), (56, 325839230), (70, 260671384), (80, 228087461), (106, 172141480), (112, 162919615), (140, 130335692), (212, 86070740), (241, 75713680), (265, 68856592), (280, 65167846), (371, 49183280), (424, 43035370), (482, 37856840), (530, 34428296), (560, 32583923), (742, 24591640), (848, 21517685), (964, 18928420), (1060, 17214148), (1205, 15142736), (1484, 12295820), (1687, 10816240), (1855, 9836656), (1928, 9464210), (2120, 8607074), (2410, 7571368), (2551, 7152880), (2968, 6147910), (3374, 5408120), (3710, 4918328), (3856, 4732105), (4240, 4303537), (4820, 3785684), (5102, 3576440), (5936, 3073955), (6748, 2704060), (7420, 2459164), (8435, 2163248), (9640, 1892842), (10204, 1788220), (12755, 1430576), (12773, 1428560), (13496, 1352030), (14840, 1229582), (16870, 1081624), (17857, 1021840), (19280, 946421), (20408, 894110), (25510, 715288), (25546, 714280), (26992, 676015), (29680, 614791), (33740, 540812), (35714, 510920), (40816, 447055), (51020, 357644), (51092, 357140), (63865, 285712), (67480, 270406), (71428, 255460), (89285, 204368), (89411, 204080), (102040, 178822), (102184, 178570), (127730, 142856), (134960, 135203)]