68831280

素因数分解:

$2^4\times 3^2\times 5^1\times 7^2\times {\mathrm{1951}}^1$

素因数の和:1984

約数の個数: 180

約数和(自身を含む): 269036352

約数和(自身を除く): 200205072

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 48, 49, 56, 60, 63, 70, 72, 80, 84, 90, 98, 105, 112, 120, 126, 140, 144, 147, 168, 180, 196, 210, 240, 245, 252, 280, 294, 315, 336, 360, 392, 420, 441, 490, 504, 560, 588, 630, 720, 735, 784, 840, 882, 980, 1008, 1176, 1260, 1470, 1680, 1764, 1951, 1960, 2205, 2352, 2520, 2940, 3528, 3902, 3920, 4410, 5040, 5853, 5880, 7056, 7804, 8820, 9755, 11706, 11760, 13657, 15608, 17559, 17640, 19510, 23412, 27314, 29265, 31216, 35118, 35280, 39020, 40971, 46824, 54628, 58530, 68285, 70236, 78040, 81942, 87795, 93648, 95599, 109256, 117060, 122913, 136570, 140472, 156080, 163884, 175590, 191198, 204855, 218512, 234120, 245826, 273140, 280944, 286797, 327768, 351180, 382396, 409710, 468240, 477995, 491652, 546280, 573594, 614565, 655536, 702360, 764792, 819420, 860391, 955990, 983304, 1092560, 1147188, 1229130, 1404720, 1433985, 1529584, 1638840, 1720782, 1911980, 1966608, 2294376, 2458260, 2867970, 3277680, 3441564, 3823960, 4301955, 4588752, 4916520, 5735940, 6883128, 7647920, 8603910, 9833040, 11471880, 13766256, 17207820, 22943760, 34415640, 68831280]

約数ペア:

[(1, 68831280), (2, 34415640), (3, 22943760), (4, 17207820), (5, 13766256), (6, 11471880), (7, 9833040), (8, 8603910), (9, 7647920), (10, 6883128), (12, 5735940), (14, 4916520), (15, 4588752), (16, 4301955), (18, 3823960), (20, 3441564), (21, 3277680), (24, 2867970), (28, 2458260), (30, 2294376), (35, 1966608), (36, 1911980), (40, 1720782), (42, 1638840), (45, 1529584), (48, 1433985), (49, 1404720), (56, 1229130), (60, 1147188), (63, 1092560), (70, 983304), (72, 955990), (80, 860391), (84, 819420), (90, 764792), (98, 702360), (105, 655536), (112, 614565), (120, 573594), (126, 546280), (140, 491652), (144, 477995), (147, 468240), (168, 409710), (180, 382396), (196, 351180), (210, 327768), (240, 286797), (245, 280944), (252, 273140), (280, 245826), (294, 234120), (315, 218512), (336, 204855), (360, 191198), (392, 175590), (420, 163884), (441, 156080), (490, 140472), (504, 136570), (560, 122913), (588, 117060), (630, 109256), (720, 95599), (735, 93648), (784, 87795), (840, 81942), (882, 78040), (980, 70236), (1008, 68285), (1176, 58530), (1260, 54628), (1470, 46824), (1680, 40971), (1764, 39020), (1951, 35280), (1960, 35118), (2205, 31216), (2352, 29265), (2520, 27314), (2940, 23412), (3528, 19510), (3902, 17640), (3920, 17559), (4410, 15608), (5040, 13657), (5853, 11760), (5880, 11706), (7056, 9755), (7804, 8820)]