72180535.000000000

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{227}}^1$

素因数の和:340

約数の個数: 256

約数和(自身を含む): 735436800

約数和(自身を除く): 539608440

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 13, 14, 15, 20, 21, 24, 26, 28, 30, 35, 39, 40, 42, 52, 56, 60, 65, 70, 78, 79, 84, 91, 104, 105, 120, 130, 140, 156, 158, 168, 182, 195, 210, 227, 237, 260, 273, 280, 312, 316, 364, 390, 395, 420, 454, 455, 474, 520, 546, 553, 632, 681, 728, 780, 790, 840, 908, 910, 948, 1027, 1092, 1106, 1135, 1185, 1362, 1365, 1560, 1580, 1589, 1659, 1816, 1820, 1896, 2054, 2184, 2212, 2270, 2370, 2724, 2730, 2765, 2951, 3081, 3160, 3178, 3318, 3405, 3640, 4108, 4424, 4540, 4740, 4767, 5135, 5448, 5460, 5530, 5902, 6162, 6356, 6636, 6810, 7189, 7945, 8216, 8295, 8853, 9080, 9480, 9534, 10270, 10920, 11060, 11804, 12324, 12712, 13272, 13620, 14378, 14755, 15405, 15890, 16590, 17706, 17933, 19068, 20540, 20657, 21567, 22120, 23608, 23835, 24648, 27240, 28756, 29510, 30810, 31780, 33180, 35412, 35866, 35945, 38136, 41080, 41314, 43134, 44265, 47670, 53799, 57512, 59020, 61620, 61971, 63560, 66360, 70824, 71732, 71890, 82628, 86268, 88530, 89665, 95340, 103285, 107598, 107835, 118040, 123240, 123942, 125531, 143464, 143780, 165256, 172536, 177060, 179330, 190680, 206570, 215196, 215670, 233129, 247884, 251062, 268995, 287560, 309855, 354120, 358660, 376593, 413140, 430392, 431340, 466258, 495768, 502124, 537990, 619710, 627655, 699387, 717320, 753186, 826280, 862680, 932516, 1004248, 1075980, 1165645, 1239420, 1255310, 1398774, 1506372, 1631903, 1865032, 1882965, 2151960, 2331290, 2478840, 2510620, 2797548, 3012744, 3263806, 3496935, 3765930, 4662580, 4895709, 5021240, 5595096, 6527612, 6993870, 7531860, 8159515, 9325160, 9791418, 13055224, 13987740, 15063720, 16319030, 19582836, 24478545, 27975480, 32638060, 39165672, 48957090, 65276120, 97914180, 195828360]

約数ペア:

[(1, 195828360), (2, 97914180), (3, 65276120), (4, 48957090), (5, 39165672), (6, 32638060), (7, 27975480), (8, 24478545), (10, 19582836), (12, 16319030), (13, 15063720), (14, 13987740), (15, 13055224), (20, 9791418), (21, 9325160), (24, 8159515), (26, 7531860), (28, 6993870), (30, 6527612), (35, 5595096), (39, 5021240), (40, 4895709), (42, 4662580), (52, 3765930), (56, 3496935), (60, 3263806), (65, 3012744), (70, 2797548), (78, 2510620), (79, 2478840), (84, 2331290), (91, 2151960), (104, 1882965), (105, 1865032), (120, 1631903), (130, 1506372), (140, 1398774), (156, 1255310), (158, 1239420), (168, 1165645), (182, 1075980), (195, 1004248), (210, 932516), (227, 862680), (237, 826280), (260, 753186), (273, 717320), (280, 699387), (312, 627655), (316, 619710), (364, 537990), (390, 502124), (395, 495768), (420, 466258), (454, 431340), (455, 430392), (474, 413140), (520, 376593), (546, 358660), (553, 354120), (632, 309855), (681, 287560), (728, 268995), (780, 251062), (790, 247884), (840, 233129), (908, 215670), (910, 215196), (948, 206570), (1027, 190680), (1092, 179330), (1106, 177060), (1135, 172536), (1185, 165256), (1362, 143780), (1365, 143464), (1560, 125531), (1580, 123942), (1589, 123240), (1659, 118040), (1816, 107835), (1820, 107598), (1896, 103285), (2054, 95340), (2184, 89665), (2212, 88530), (2270, 86268), (2370, 82628), (2724, 71890), (2730, 71732), (2765, 70824), (2951, 66360), (3081, 63560), (3160, 61971), (3178, 61620), (3318, 59020), (3405, 57512), (3640, 53799), (4108, 47670), (4424, 44265), (4540, 43134), (4740, 41314), (4767, 41080), (5135, 38136), (5448, 35945), (5460, 35866), (5530, 35412), (5902, 33180), (6162, 31780), (6356, 30810), (6636, 29510), (6810, 28756), (7189, 27240), (7945, 24648), (8216, 23835), (8295, 23608), (8853, 22120), (9080, 21567), (9480, 20657), (9534, 20540), (10270, 19068), (10920, 17933), (11060, 17706), (11804, 16590), (12324, 15890), (12712, 15405), (13272, 14755), (13620, 14378)]