81348120

素因数分解:

$2^3\times 3^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{1699}}^1$

素因数の和:1742

約数の個数: 192

約数和(自身を含む): 318240000

約数和(自身を除く): 236891880

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 19, 20, 21, 24, 28, 30, 35, 36, 38, 40, 42, 45, 56, 57, 60, 63, 70, 72, 76, 84, 90, 95, 105, 114, 120, 126, 133, 140, 152, 168, 171, 180, 190, 210, 228, 252, 266, 280, 285, 315, 342, 360, 380, 399, 420, 456, 504, 532, 570, 630, 665, 684, 760, 798, 840, 855, 1064, 1140, 1197, 1260, 1330, 1368, 1596, 1699, 1710, 1995, 2280, 2394, 2520, 2660, 3192, 3398, 3420, 3990, 4788, 5097, 5320, 5985, 6796, 6840, 7980, 8495, 9576, 10194, 11893, 11970, 13592, 15291, 15960, 16990, 20388, 23786, 23940, 25485, 30582, 32281, 33980, 35679, 40776, 47572, 47880, 50970, 59465, 61164, 64562, 67960, 71358, 76455, 95144, 96843, 101940, 107037, 118930, 122328, 129124, 142716, 152910, 161405, 178395, 193686, 203880, 214074, 225967, 237860, 258248, 285432, 290529, 305820, 322810, 356790, 387372, 428148, 451934, 475720, 484215, 535185, 581058, 611640, 645620, 677901, 713580, 774744, 856296, 903868, 968430, 1070370, 1129835, 1162116, 1291240, 1355802, 1427160, 1452645, 1807736, 1936860, 2033703, 2140740, 2259670, 2324232, 2711604, 2905290, 3389505, 3873720, 4067406, 4281480, 4519340, 5423208, 5810580, 6779010, 8134812, 9038680, 10168515, 11621160, 13558020, 16269624, 20337030, 27116040, 40674060, 81348120]

約数ペア:

[(1, 81348120), (2, 40674060), (3, 27116040), (4, 20337030), (5, 16269624), (6, 13558020), (7, 11621160), (8, 10168515), (9, 9038680), (10, 8134812), (12, 6779010), (14, 5810580), (15, 5423208), (18, 4519340), (19, 4281480), (20, 4067406), (21, 3873720), (24, 3389505), (28, 2905290), (30, 2711604), (35, 2324232), (36, 2259670), (38, 2140740), (40, 2033703), (42, 1936860), (45, 1807736), (56, 1452645), (57, 1427160), (60, 1355802), (63, 1291240), (70, 1162116), (72, 1129835), (76, 1070370), (84, 968430), (90, 903868), (95, 856296), (105, 774744), (114, 713580), (120, 677901), (126, 645620), (133, 611640), (140, 581058), (152, 535185), (168, 484215), (171, 475720), (180, 451934), (190, 428148), (210, 387372), (228, 356790), (252, 322810), (266, 305820), (280, 290529), (285, 285432), (315, 258248), (342, 237860), (360, 225967), (380, 214074), (399, 203880), (420, 193686), (456, 178395), (504, 161405), (532, 152910), (570, 142716), (630, 129124), (665, 122328), (684, 118930), (760, 107037), (798, 101940), (840, 96843), (855, 95144), (1064, 76455), (1140, 71358), (1197, 67960), (1260, 64562), (1330, 61164), (1368, 59465), (1596, 50970), (1699, 47880), (1710, 47572), (1995, 40776), (2280, 35679), (2394, 33980), (2520, 32281), (2660, 30582), (3192, 25485), (3398, 23940), (3420, 23786), (3990, 20388), (4788, 16990), (5097, 15960), (5320, 15291), (5985, 13592), (6796, 11970), (6840, 11893), (7980, 10194), (8495, 9576)]