131888880

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{311}}^1$

素因数の和:380

約数の個数: 240

約数和(自身を含む): 482826240

約数和(自身を除く): 350937360

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 19, 20, 24, 30, 31, 36, 38, 40, 45, 48, 57, 60, 62, 72, 76, 80, 90, 93, 95, 114, 120, 124, 144, 152, 155, 171, 180, 186, 190, 228, 240, 248, 279, 285, 304, 310, 311, 342, 360, 372, 380, 456, 465, 496, 558, 570, 589, 620, 622, 684, 720, 744, 760, 855, 912, 930, 933, 1116, 1140, 1178, 1240, 1244, 1368, 1395, 1488, 1520, 1555, 1710, 1767, 1860, 1866, 2232, 2280, 2356, 2480, 2488, 2736, 2790, 2799, 2945, 3110, 3420, 3534, 3720, 3732, 4464, 4560, 4665, 4712, 4976, 5301, 5580, 5598, 5890, 5909, 6220, 6840, 7068, 7440, 7464, 8835, 9330, 9424, 9641, 10602, 11160, 11196, 11780, 11818, 12440, 13680, 13995, 14136, 14928, 17670, 17727, 18660, 19282, 21204, 22320, 22392, 23560, 23636, 24880, 26505, 27990, 28272, 28923, 29545, 35340, 35454, 37320, 38564, 42408, 44784, 47120, 47272, 48205, 53010, 53181, 55980, 57846, 59090, 70680, 70908, 74640, 77128, 84816, 86769, 88635, 94544, 96410, 106020, 106362, 111960, 115692, 118180, 141360, 141816, 144615, 154256, 173538, 177270, 183179, 192820, 212040, 212724, 223920, 231384, 236360, 265905, 283632, 289230, 347076, 354540, 366358, 385640, 424080, 425448, 433845, 462768, 472720, 531810, 549537, 578460, 694152, 709080, 732716, 771280, 850896, 867690, 915895, 1063620, 1099074, 1156920, 1388304, 1418160, 1465432, 1648611, 1735380, 1831790, 2127240, 2198148, 2313840, 2747685, 2930864, 3297222, 3470760, 3663580, 4254480, 4396296, 5495370, 6594444, 6941520, 7327160, 8243055, 8792592, 10990740, 13188888, 14654320, 16486110, 21981480, 26377776, 32972220, 43962960, 65944440, 131888880]

約数ペア:

[(1, 131888880), (2, 65944440), (3, 43962960), (4, 32972220), (5, 26377776), (6, 21981480), (8, 16486110), (9, 14654320), (10, 13188888), (12, 10990740), (15, 8792592), (16, 8243055), (18, 7327160), (19, 6941520), (20, 6594444), (24, 5495370), (30, 4396296), (31, 4254480), (36, 3663580), (38, 3470760), (40, 3297222), (45, 2930864), (48, 2747685), (57, 2313840), (60, 2198148), (62, 2127240), (72, 1831790), (76, 1735380), (80, 1648611), (90, 1465432), (93, 1418160), (95, 1388304), (114, 1156920), (120, 1099074), (124, 1063620), (144, 915895), (152, 867690), (155, 850896), (171, 771280), (180, 732716), (186, 709080), (190, 694152), (228, 578460), (240, 549537), (248, 531810), (279, 472720), (285, 462768), (304, 433845), (310, 425448), (311, 424080), (342, 385640), (360, 366358), (372, 354540), (380, 347076), (456, 289230), (465, 283632), (496, 265905), (558, 236360), (570, 231384), (589, 223920), (620, 212724), (622, 212040), (684, 192820), (720, 183179), (744, 177270), (760, 173538), (855, 154256), (912, 144615), (930, 141816), (933, 141360), (1116, 118180), (1140, 115692), (1178, 111960), (1240, 106362), (1244, 106020), (1368, 96410), (1395, 94544), (1488, 88635), (1520, 86769), (1555, 84816), (1710, 77128), (1767, 74640), (1860, 70908), (1866, 70680), (2232, 59090), (2280, 57846), (2356, 55980), (2480, 53181), (2488, 53010), (2736, 48205), (2790, 47272), (2799, 47120), (2945, 44784), (3110, 42408), (3420, 38564), (3534, 37320), (3720, 35454), (3732, 35340), (4464, 29545), (4560, 28923), (4665, 28272), (4712, 27990), (4976, 26505), (5301, 24880), (5580, 23636), (5598, 23560), (5890, 22392), (5909, 22320), (6220, 21204), (6840, 19282), (7068, 18660), (7440, 17727), (7464, 17670), (8835, 14928), (9330, 14136), (9424, 13995), (9641, 13680), (10602, 12440), (11160, 11818), (11196, 11780)]