15138889640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{461}}^1\times {\mathrm{6899}}^1$

素因数の和:7395

約数の個数: 128

約数和(自身を含む): 41313888000

約数和(自身を除く): 26174998360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 17, 20, 28, 34, 35, 40, 56, 68, 70, 85, 119, 136, 140, 170, 238, 280, 340, 461, 476, 595, 680, 922, 952, 1190, 1844, 2305, 2380, 3227, 3688, 4610, 4760, 6454, 6899, 7837, 9220, 12908, 13798, 15674, 16135, 18440, 25816, 27596, 31348, 32270, 34495, 39185, 48293, 54859, 55192, 62696, 64540, 68990, 78370, 96586, 109718, 117283, 129080, 137980, 156740, 193172, 219436, 234566, 241465, 274295, 275960, 313480, 386344, 438872, 469132, 482930, 548590, 586415, 820981, 938264, 965860, 1097180, 1172830, 1641962, 1931720, 2194360, 2345660, 3180439, 3283924, 4104905, 4691320, 6360878, 6567848, 8209810, 12721756, 15902195, 16419620, 22263073, 25443512, 31804390, 32839240, 44526146, 54067463, 63608780, 89052292, 108134926, 111315365, 127217560, 178104584, 216269852, 222630730, 270337315, 378472241, 432539704, 445261460, 540674630, 756944482, 890522920, 1081349260, 1513888964, 1892361205, 2162698520, 3027777928, 3784722410, 7569444820, 15138889640]

約数ペア:

[(1, 15138889640), (2, 7569444820), (4, 3784722410), (5, 3027777928), (7, 2162698520), (8, 1892361205), (10, 1513888964), (14, 1081349260), (17, 890522920), (20, 756944482), (28, 540674630), (34, 445261460), (35, 432539704), (40, 378472241), (56, 270337315), (68, 222630730), (70, 216269852), (85, 178104584), (119, 127217560), (136, 111315365), (140, 108134926), (170, 89052292), (238, 63608780), (280, 54067463), (340, 44526146), (461, 32839240), (476, 31804390), (595, 25443512), (680, 22263073), (922, 16419620), (952, 15902195), (1190, 12721756), (1844, 8209810), (2305, 6567848), (2380, 6360878), (3227, 4691320), (3688, 4104905), (4610, 3283924), (4760, 3180439), (6454, 2345660), (6899, 2194360), (7837, 1931720), (9220, 1641962), (12908, 1172830), (13798, 1097180), (15674, 965860), (16135, 938264), (18440, 820981), (25816, 586415), (27596, 548590), (31348, 482930), (32270, 469132), (34495, 438872), (39185, 386344), (48293, 313480), (54859, 275960), (55192, 274295), (62696, 241465), (64540, 234566), (68990, 219436), (78370, 193172), (96586, 156740), (109718, 137980), (117283, 129080)]