71221680

素因数分解:

$2^4\times 3^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{379}}^1$

素因数の和:433

約数の個数: 200

約数和(自身を含む): 256568400

約数和(自身を除く): 185346720

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 29, 30, 36, 40, 45, 48, 54, 58, 60, 72, 80, 81, 87, 90, 108, 116, 120, 135, 144, 145, 162, 174, 180, 216, 232, 240, 261, 270, 290, 324, 348, 360, 379, 405, 432, 435, 464, 522, 540, 580, 648, 696, 720, 758, 783, 810, 870, 1044, 1080, 1137, 1160, 1296, 1305, 1392, 1516, 1566, 1620, 1740, 1895, 2088, 2160, 2274, 2320, 2349, 2610, 3032, 3132, 3240, 3411, 3480, 3790, 3915, 4176, 4548, 4698, 5220, 5685, 6064, 6264, 6480, 6822, 6960, 7580, 7830, 9096, 9396, 10233, 10440, 10991, 11370, 11745, 12528, 13644, 15160, 15660, 17055, 18192, 18792, 20466, 20880, 21982, 22740, 23490, 27288, 30320, 30699, 31320, 32973, 34110, 37584, 40932, 43964, 45480, 46980, 51165, 54576, 54955, 61398, 62640, 65946, 68220, 81864, 87928, 90960, 93960, 98919, 102330, 109910, 122796, 131892, 136440, 153495, 163728, 164865, 175856, 187920, 197838, 204660, 219820, 245592, 263784, 272880, 296757, 306990, 329730, 395676, 409320, 439640, 491184, 494595, 527568, 593514, 613980, 659460, 791352, 818640, 879280, 890271, 989190, 1187028, 1227960, 1318920, 1483785, 1582704, 1780542, 1978380, 2374056, 2455920, 2637840, 2967570, 3561084, 3956760, 4451355, 4748112, 5935140, 7122168, 7913520, 8902710, 11870280, 14244336, 17805420, 23740560, 35610840, 71221680]

約数ペア:

[(1, 71221680), (2, 35610840), (3, 23740560), (4, 17805420), (5, 14244336), (6, 11870280), (8, 8902710), (9, 7913520), (10, 7122168), (12, 5935140), (15, 4748112), (16, 4451355), (18, 3956760), (20, 3561084), (24, 2967570), (27, 2637840), (29, 2455920), (30, 2374056), (36, 1978380), (40, 1780542), (45, 1582704), (48, 1483785), (54, 1318920), (58, 1227960), (60, 1187028), (72, 989190), (80, 890271), (81, 879280), (87, 818640), (90, 791352), (108, 659460), (116, 613980), (120, 593514), (135, 527568), (144, 494595), (145, 491184), (162, 439640), (174, 409320), (180, 395676), (216, 329730), (232, 306990), (240, 296757), (261, 272880), (270, 263784), (290, 245592), (324, 219820), (348, 204660), (360, 197838), (379, 187920), (405, 175856), (432, 164865), (435, 163728), (464, 153495), (522, 136440), (540, 131892), (580, 122796), (648, 109910), (696, 102330), (720, 98919), (758, 93960), (783, 90960), (810, 87928), (870, 81864), (1044, 68220), (1080, 65946), (1137, 62640), (1160, 61398), (1296, 54955), (1305, 54576), (1392, 51165), (1516, 46980), (1566, 45480), (1620, 43964), (1740, 40932), (1895, 37584), (2088, 34110), (2160, 32973), (2274, 31320), (2320, 30699), (2349, 30320), (2610, 27288), (3032, 23490), (3132, 22740), (3240, 21982), (3411, 20880), (3480, 20466), (3790, 18792), (3915, 18192), (4176, 17055), (4548, 15660), (4698, 15160), (5220, 13644), (5685, 12528), (6064, 11745), (6264, 11370), (6480, 10991), (6822, 10440), (6960, 10233), (7580, 9396), (7830, 9096)]