1987610520

素因数分解:

$2^3\times 3^1\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{17791}}^1$

素因数の和:17838

約数の個数: 192

約数和(自身を含む): 7301836800

約数和(自身を除く): 5314226280

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 19, 20, 21, 24, 28, 30, 35, 38, 40, 42, 49, 56, 57, 60, 70, 76, 84, 95, 98, 105, 114, 120, 133, 140, 147, 152, 168, 190, 196, 210, 228, 245, 266, 280, 285, 294, 380, 392, 399, 420, 456, 490, 532, 570, 588, 665, 735, 760, 798, 840, 931, 980, 1064, 1140, 1176, 1330, 1470, 1596, 1862, 1960, 1995, 2280, 2660, 2793, 2940, 3192, 3724, 3990, 4655, 5320, 5586, 5880, 7448, 7980, 9310, 11172, 13965, 15960, 17791, 18620, 22344, 27930, 35582, 37240, 53373, 55860, 71164, 88955, 106746, 111720, 124537, 142328, 177910, 213492, 249074, 266865, 338029, 355820, 373611, 426984, 498148, 533730, 622685, 676058, 711640, 747222, 871759, 996296, 1014087, 1067460, 1245370, 1352116, 1494444, 1690145, 1743518, 1868055, 2028174, 2134920, 2366203, 2490740, 2615277, 2704232, 2988888, 3380290, 3487036, 3736110, 4056348, 4358795, 4732406, 4981480, 5070435, 5230554, 6760580, 6974072, 7098609, 7472220, 8112696, 8717590, 9464812, 10140870, 10461108, 11831015, 13076385, 13521160, 14197218, 14944440, 16563421, 17435180, 18929624, 20281740, 20922216, 23662030, 26152770, 28394436, 33126842, 34870360, 35493045, 40563480, 47324060, 49690263, 52305540, 56788872, 66253684, 70986090, 82817105, 94648120, 99380526, 104611080, 132507368, 141972180, 165634210, 198761052, 248451315, 283944360, 331268420, 397522104, 496902630, 662536840, 993805260, 1987610520]

約数ペア:

[(1, 1987610520), (2, 993805260), (3, 662536840), (4, 496902630), (5, 397522104), (6, 331268420), (7, 283944360), (8, 248451315), (10, 198761052), (12, 165634210), (14, 141972180), (15, 132507368), (19, 104611080), (20, 99380526), (21, 94648120), (24, 82817105), (28, 70986090), (30, 66253684), (35, 56788872), (38, 52305540), (40, 49690263), (42, 47324060), (49, 40563480), (56, 35493045), (57, 34870360), (60, 33126842), (70, 28394436), (76, 26152770), (84, 23662030), (95, 20922216), (98, 20281740), (105, 18929624), (114, 17435180), (120, 16563421), (133, 14944440), (140, 14197218), (147, 13521160), (152, 13076385), (168, 11831015), (190, 10461108), (196, 10140870), (210, 9464812), (228, 8717590), (245, 8112696), (266, 7472220), (280, 7098609), (285, 6974072), (294, 6760580), (380, 5230554), (392, 5070435), (399, 4981480), (420, 4732406), (456, 4358795), (490, 4056348), (532, 3736110), (570, 3487036), (588, 3380290), (665, 2988888), (735, 2704232), (760, 2615277), (798, 2490740), (840, 2366203), (931, 2134920), (980, 2028174), (1064, 1868055), (1140, 1743518), (1176, 1690145), (1330, 1494444), (1470, 1352116), (1596, 1245370), (1862, 1067460), (1960, 1014087), (1995, 996296), (2280, 871759), (2660, 747222), (2793, 711640), (2940, 676058), (3192, 622685), (3724, 533730), (3990, 498148), (4655, 426984), (5320, 373611), (5586, 355820), (5880, 338029), (7448, 266865), (7980, 249074), (9310, 213492), (11172, 177910), (13965, 142328), (15960, 124537), (17791, 111720), (18620, 106746), (22344, 88955), (27930, 71164), (35582, 55860), (37240, 53373)]