187870540

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{163}}^1$

素因数の和:240

約数の個数: 144

約数和(自身を含む): 484033536

約数和(自身を除く): 296162996

約数列:

[1, 2, 4, 5, 10, 11, 13, 20, 22, 26, 31, 44, 52, 55, 62, 65, 110, 124, 130, 143, 155, 163, 169, 220, 260, 286, 310, 326, 338, 341, 403, 572, 620, 652, 676, 682, 715, 806, 815, 845, 1364, 1430, 1612, 1630, 1690, 1705, 1793, 1859, 2015, 2119, 2860, 3260, 3380, 3410, 3586, 3718, 4030, 4238, 4433, 5053, 5239, 6820, 7172, 7436, 8060, 8476, 8866, 8965, 9295, 10106, 10478, 10595, 17732, 17930, 18590, 20212, 20956, 21190, 22165, 23309, 25265, 26195, 27547, 35860, 37180, 42380, 44330, 46618, 50530, 52390, 55094, 55583, 57629, 65689, 88660, 93236, 101060, 104780, 110188, 111166, 115258, 116545, 131378, 137735, 222332, 230516, 233090, 262756, 275470, 277915, 288145, 303017, 328445, 466180, 550940, 555830, 576290, 606034, 656890, 722579, 853957, 1111660, 1152580, 1212068, 1313780, 1445158, 1515085, 1707914, 2890316, 3030170, 3415828, 3612895, 4269785, 6060340, 7225790, 8539570, 9393527, 14451580, 17079140, 18787054, 37574108, 46967635, 93935270, 187870540]

約数ペア:

[(1, 187870540), (2, 93935270), (4, 46967635), (5, 37574108), (10, 18787054), (11, 17079140), (13, 14451580), (20, 9393527), (22, 8539570), (26, 7225790), (31, 6060340), (44, 4269785), (52, 3612895), (55, 3415828), (62, 3030170), (65, 2890316), (110, 1707914), (124, 1515085), (130, 1445158), (143, 1313780), (155, 1212068), (163, 1152580), (169, 1111660), (220, 853957), (260, 722579), (286, 656890), (310, 606034), (326, 576290), (338, 555830), (341, 550940), (403, 466180), (572, 328445), (620, 303017), (652, 288145), (676, 277915), (682, 275470), (715, 262756), (806, 233090), (815, 230516), (845, 222332), (1364, 137735), (1430, 131378), (1612, 116545), (1630, 115258), (1690, 111166), (1705, 110188), (1793, 104780), (1859, 101060), (2015, 93236), (2119, 88660), (2860, 65689), (3260, 57629), (3380, 55583), (3410, 55094), (3586, 52390), (3718, 50530), (4030, 46618), (4238, 44330), (4433, 42380), (5053, 37180), (5239, 35860), (6820, 27547), (7172, 26195), (7436, 25265), (8060, 23309), (8476, 22165), (8866, 21190), (8965, 20956), (9295, 20212), (10106, 18590), (10478, 17930), (10595, 17732)]