311213160

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{173}}^1\times {\mathrm{263}}^1$

素因数の和:472

約数の個数: 192

約数和(自身を含む): 1074902400

約数和(自身を除く): 763689240

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 19, 20, 24, 30, 36, 38, 40, 45, 57, 60, 72, 76, 90, 95, 114, 120, 152, 171, 173, 180, 190, 228, 263, 285, 342, 346, 360, 380, 456, 519, 526, 570, 684, 692, 760, 789, 855, 865, 1038, 1052, 1140, 1315, 1368, 1384, 1557, 1578, 1710, 1730, 2076, 2104, 2280, 2367, 2595, 2630, 3114, 3156, 3287, 3420, 3460, 3945, 4152, 4734, 4997, 5190, 5260, 6228, 6312, 6574, 6840, 6920, 7785, 7890, 9468, 9861, 9994, 10380, 10520, 11835, 12456, 13148, 14991, 15570, 15780, 16435, 18936, 19722, 19988, 20760, 23670, 24985, 26296, 29583, 29982, 31140, 31560, 32870, 39444, 39976, 44973, 45499, 47340, 49305, 49970, 59166, 59964, 62280, 65740, 74955, 78888, 89946, 90998, 94680, 98610, 99940, 118332, 119928, 131480, 136497, 147915, 149910, 179892, 181996, 197220, 199880, 224865, 227495, 236664, 272994, 295830, 299820, 359784, 363992, 394440, 409491, 449730, 454990, 545988, 591660, 599640, 682485, 818982, 864481, 899460, 909980, 1091976, 1183320, 1364970, 1637964, 1728962, 1798920, 1819960, 2047455, 2593443, 2729940, 3275928, 3457924, 4094910, 4322405, 5186886, 5459880, 6915848, 7780329, 8189820, 8644810, 10373772, 12967215, 15560658, 16379640, 17289620, 20747544, 25934430, 31121316, 34579240, 38901645, 51868860, 62242632, 77803290, 103737720, 155606580, 311213160]

約数ペア:

[(1, 311213160), (2, 155606580), (3, 103737720), (4, 77803290), (5, 62242632), (6, 51868860), (8, 38901645), (9, 34579240), (10, 31121316), (12, 25934430), (15, 20747544), (18, 17289620), (19, 16379640), (20, 15560658), (24, 12967215), (30, 10373772), (36, 8644810), (38, 8189820), (40, 7780329), (45, 6915848), (57, 5459880), (60, 5186886), (72, 4322405), (76, 4094910), (90, 3457924), (95, 3275928), (114, 2729940), (120, 2593443), (152, 2047455), (171, 1819960), (173, 1798920), (180, 1728962), (190, 1637964), (228, 1364970), (263, 1183320), (285, 1091976), (342, 909980), (346, 899460), (360, 864481), (380, 818982), (456, 682485), (519, 599640), (526, 591660), (570, 545988), (684, 454990), (692, 449730), (760, 409491), (789, 394440), (855, 363992), (865, 359784), (1038, 299820), (1052, 295830), (1140, 272994), (1315, 236664), (1368, 227495), (1384, 224865), (1557, 199880), (1578, 197220), (1710, 181996), (1730, 179892), (2076, 149910), (2104, 147915), (2280, 136497), (2367, 131480), (2595, 119928), (2630, 118332), (3114, 99940), (3156, 98610), (3287, 94680), (3420, 90998), (3460, 89946), (3945, 78888), (4152, 74955), (4734, 65740), (4997, 62280), (5190, 59964), (5260, 59166), (6228, 49970), (6312, 49305), (6574, 47340), (6840, 45499), (6920, 44973), (7785, 39976), (7890, 39444), (9468, 32870), (9861, 31560), (9994, 31140), (10380, 29982), (10520, 29583), (11835, 26296), (12456, 24985), (13148, 23670), (14991, 20760), (15570, 19988), (15780, 19722), (16435, 18936)]