217186320

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{151}}^1\times {\mathrm{461}}^1$

素因数の和:641

約数の個数: 160

約数和(自身を含む): 731453184

約数和(自身を除く): 514266864

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 39, 40, 48, 52, 60, 65, 78, 80, 104, 120, 130, 151, 156, 195, 208, 240, 260, 302, 312, 390, 453, 461, 520, 604, 624, 755, 780, 906, 922, 1040, 1208, 1383, 1510, 1560, 1812, 1844, 1963, 2265, 2305, 2416, 2766, 3020, 3120, 3624, 3688, 3926, 4530, 4610, 5532, 5889, 5993, 6040, 6915, 7248, 7376, 7852, 9060, 9220, 9815, 11064, 11778, 11986, 12080, 13830, 15704, 17979, 18120, 18440, 19630, 22128, 23556, 23972, 27660, 29445, 29965, 31408, 35958, 36240, 36880, 39260, 47112, 47944, 55320, 58890, 59930, 69611, 71916, 78520, 89895, 94224, 95888, 110640, 117780, 119860, 139222, 143832, 157040, 179790, 208833, 235560, 239720, 278444, 287664, 348055, 359580, 417666, 471120, 479440, 556888, 696110, 719160, 835332, 904943, 1044165, 1113776, 1392220, 1438320, 1670664, 1809886, 2088330, 2714829, 2784440, 3341328, 3619772, 4176660, 4524715, 5429658, 5568880, 7239544, 8353320, 9049430, 10859316, 13574145, 14479088, 16706640, 18098860, 21718632, 27148290, 36197720, 43437264, 54296580, 72395440, 108593160, 217186320]

約数ペア:

[(1, 217186320), (2, 108593160), (3, 72395440), (4, 54296580), (5, 43437264), (6, 36197720), (8, 27148290), (10, 21718632), (12, 18098860), (13, 16706640), (15, 14479088), (16, 13574145), (20, 10859316), (24, 9049430), (26, 8353320), (30, 7239544), (39, 5568880), (40, 5429658), (48, 4524715), (52, 4176660), (60, 3619772), (65, 3341328), (78, 2784440), (80, 2714829), (104, 2088330), (120, 1809886), (130, 1670664), (151, 1438320), (156, 1392220), (195, 1113776), (208, 1044165), (240, 904943), (260, 835332), (302, 719160), (312, 696110), (390, 556888), (453, 479440), (461, 471120), (520, 417666), (604, 359580), (624, 348055), (755, 287664), (780, 278444), (906, 239720), (922, 235560), (1040, 208833), (1208, 179790), (1383, 157040), (1510, 143832), (1560, 139222), (1812, 119860), (1844, 117780), (1963, 110640), (2265, 95888), (2305, 94224), (2416, 89895), (2766, 78520), (3020, 71916), (3120, 69611), (3624, 59930), (3688, 58890), (3926, 55320), (4530, 47944), (4610, 47112), (5532, 39260), (5889, 36880), (5993, 36240), (6040, 35958), (6915, 31408), (7248, 29965), (7376, 29445), (7852, 27660), (9060, 23972), (9220, 23556), (9815, 22128), (11064, 19630), (11778, 18440), (11986, 18120), (12080, 17979), (13830, 15704)]