15663017840

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{491}}^1\times {\mathrm{677}}^1$

素因数の和:1231

約数の個数: 160

約数和(自身を含む): 39708887040

約数和(自身を除く): 24045869200

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 31, 38, 40, 62, 76, 80, 95, 124, 152, 155, 190, 248, 304, 310, 380, 491, 496, 589, 620, 677, 760, 982, 1178, 1240, 1354, 1520, 1964, 2356, 2455, 2480, 2708, 2945, 3385, 3928, 4712, 4910, 5416, 5890, 6770, 7856, 9329, 9424, 9820, 10832, 11780, 12863, 13540, 15221, 18658, 19640, 20987, 23560, 25726, 27080, 30442, 37316, 39280, 41974, 46645, 47120, 51452, 54160, 60884, 64315, 74632, 76105, 83948, 93290, 102904, 104935, 121768, 128630, 149264, 152210, 167896, 186580, 205808, 209870, 243536, 257260, 289199, 304420, 332407, 335792, 373160, 398753, 419740, 514520, 578398, 608840, 664814, 746320, 797506, 839480, 1029040, 1156796, 1217680, 1329628, 1445995, 1595012, 1662035, 1678960, 1993765, 2313592, 2659256, 2891990, 3190024, 3324070, 3987530, 4627184, 5318512, 5783980, 6315733, 6380048, 6648140, 7975060, 10304617, 11567960, 12631466, 13296280, 15950120, 20609234, 23135920, 25262932, 26592560, 31578665, 31900240, 41218468, 50525864, 51523085, 63157330, 82436936, 101051728, 103046170, 126314660, 164873872, 195787723, 206092340, 252629320, 391575446, 412184680, 505258640, 783150892, 824369360, 978938615, 1566301784, 1957877230, 3132603568, 3915754460, 7831508920, 15663017840]

約数ペア:

[(1, 15663017840), (2, 7831508920), (4, 3915754460), (5, 3132603568), (8, 1957877230), (10, 1566301784), (16, 978938615), (19, 824369360), (20, 783150892), (31, 505258640), (38, 412184680), (40, 391575446), (62, 252629320), (76, 206092340), (80, 195787723), (95, 164873872), (124, 126314660), (152, 103046170), (155, 101051728), (190, 82436936), (248, 63157330), (304, 51523085), (310, 50525864), (380, 41218468), (491, 31900240), (496, 31578665), (589, 26592560), (620, 25262932), (677, 23135920), (760, 20609234), (982, 15950120), (1178, 13296280), (1240, 12631466), (1354, 11567960), (1520, 10304617), (1964, 7975060), (2356, 6648140), (2455, 6380048), (2480, 6315733), (2708, 5783980), (2945, 5318512), (3385, 4627184), (3928, 3987530), (4712, 3324070), (4910, 3190024), (5416, 2891990), (5890, 2659256), (6770, 2313592), (7856, 1993765), (9329, 1678960), (9424, 1662035), (9820, 1595012), (10832, 1445995), (11780, 1329628), (12863, 1217680), (13540, 1156796), (15221, 1029040), (18658, 839480), (19640, 797506), (20987, 746320), (23560, 664814), (25726, 608840), (27080, 578398), (30442, 514520), (37316, 419740), (39280, 398753), (41974, 373160), (46645, 335792), (47120, 332407), (51452, 304420), (54160, 289199), (60884, 257260), (64315, 243536), (74632, 209870), (76105, 205808), (83948, 186580), (93290, 167896), (102904, 152210), (104935, 149264), (121768, 128630)]