31432080

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{113}}^1$

素因数の和:209

約数の個数: 160

約数和(自身を含む): 105171840

約数和(自身を除く): 73739760

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 19, 20, 24, 30, 38, 40, 48, 57, 60, 61, 76, 80, 95, 113, 114, 120, 122, 152, 183, 190, 226, 228, 240, 244, 285, 304, 305, 339, 366, 380, 452, 456, 488, 565, 570, 610, 678, 732, 760, 904, 912, 915, 976, 1130, 1140, 1159, 1220, 1356, 1464, 1520, 1695, 1808, 1830, 2147, 2260, 2280, 2318, 2440, 2712, 2928, 3390, 3477, 3660, 4294, 4520, 4560, 4636, 4880, 5424, 5795, 6441, 6780, 6893, 6954, 7320, 8588, 9040, 9272, 10735, 11590, 12882, 13560, 13786, 13908, 14640, 17176, 17385, 18544, 20679, 21470, 23180, 25764, 27120, 27572, 27816, 32205, 34352, 34465, 34770, 41358, 42940, 46360, 51528, 55144, 55632, 64410, 68930, 69540, 82716, 85880, 92720, 103056, 103395, 110288, 128820, 130967, 137860, 139080, 165432, 171760, 206790, 257640, 261934, 275720, 278160, 330864, 392901, 413580, 515280, 523868, 551440, 654835, 785802, 827160, 1047736, 1309670, 1571604, 1654320, 1964505, 2095472, 2619340, 3143208, 3929010, 5238680, 6286416, 7858020, 10477360, 15716040, 31432080]

約数ペア:

[(1, 31432080), (2, 15716040), (3, 10477360), (4, 7858020), (5, 6286416), (6, 5238680), (8, 3929010), (10, 3143208), (12, 2619340), (15, 2095472), (16, 1964505), (19, 1654320), (20, 1571604), (24, 1309670), (30, 1047736), (38, 827160), (40, 785802), (48, 654835), (57, 551440), (60, 523868), (61, 515280), (76, 413580), (80, 392901), (95, 330864), (113, 278160), (114, 275720), (120, 261934), (122, 257640), (152, 206790), (183, 171760), (190, 165432), (226, 139080), (228, 137860), (240, 130967), (244, 128820), (285, 110288), (304, 103395), (305, 103056), (339, 92720), (366, 85880), (380, 82716), (452, 69540), (456, 68930), (488, 64410), (565, 55632), (570, 55144), (610, 51528), (678, 46360), (732, 42940), (760, 41358), (904, 34770), (912, 34465), (915, 34352), (976, 32205), (1130, 27816), (1140, 27572), (1159, 27120), (1220, 25764), (1356, 23180), (1464, 21470), (1520, 20679), (1695, 18544), (1808, 17385), (1830, 17176), (2147, 14640), (2260, 13908), (2280, 13786), (2318, 13560), (2440, 12882), (2712, 11590), (2928, 10735), (3390, 9272), (3477, 9040), (3660, 8588), (4294, 7320), (4520, 6954), (4560, 6893), (4636, 6780), (4880, 6441), (5424, 5795)]