1780648920

素因数分解:

$2^3\times 3^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{12781}}^1$

素因数の和:12847

約数の個数: 160

約数和(自身を含む): 6124623120

約数和(自身を除く): 4343974200

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 43, 45, 54, 60, 72, 81, 86, 90, 108, 120, 129, 135, 162, 172, 180, 215, 216, 258, 270, 324, 344, 360, 387, 405, 430, 516, 540, 645, 648, 774, 810, 860, 1032, 1080, 1161, 1290, 1548, 1620, 1720, 1935, 2322, 2580, 3096, 3240, 3483, 3870, 4644, 5160, 5805, 6966, 7740, 9288, 11610, 12781, 13932, 15480, 17415, 23220, 25562, 27864, 34830, 38343, 46440, 51124, 63905, 69660, 76686, 102248, 115029, 127810, 139320, 153372, 191715, 230058, 255620, 306744, 345087, 383430, 460116, 511240, 549583, 575145, 690174, 766860, 920232, 1035261, 1099166, 1150290, 1380348, 1533720, 1648749, 1725435, 2070522, 2198332, 2300580, 2747915, 2760696, 3297498, 3450870, 4141044, 4396664, 4601160, 4946247, 5176305, 5495830, 6594996, 6901740, 8243745, 8282088, 9892494, 10352610, 10991660, 13189992, 13803480, 14838741, 16487490, 19784988, 20705220, 21983320, 24731235, 29677482, 32974980, 39569976, 41410440, 44516223, 49462470, 59354964, 65949960, 74193705, 89032446, 98924940, 118709928, 148387410, 178064892, 197849880, 222581115, 296774820, 356129784, 445162230, 593549640, 890324460, 1780648920]

約数ペア:

[(1, 1780648920), (2, 890324460), (3, 593549640), (4, 445162230), (5, 356129784), (6, 296774820), (8, 222581115), (9, 197849880), (10, 178064892), (12, 148387410), (15, 118709928), (18, 98924940), (20, 89032446), (24, 74193705), (27, 65949960), (30, 59354964), (36, 49462470), (40, 44516223), (43, 41410440), (45, 39569976), (54, 32974980), (60, 29677482), (72, 24731235), (81, 21983320), (86, 20705220), (90, 19784988), (108, 16487490), (120, 14838741), (129, 13803480), (135, 13189992), (162, 10991660), (172, 10352610), (180, 9892494), (215, 8282088), (216, 8243745), (258, 6901740), (270, 6594996), (324, 5495830), (344, 5176305), (360, 4946247), (387, 4601160), (405, 4396664), (430, 4141044), (516, 3450870), (540, 3297498), (645, 2760696), (648, 2747915), (774, 2300580), (810, 2198332), (860, 2070522), (1032, 1725435), (1080, 1648749), (1161, 1533720), (1290, 1380348), (1548, 1150290), (1620, 1099166), (1720, 1035261), (1935, 920232), (2322, 766860), (2580, 690174), (3096, 575145), (3240, 549583), (3483, 511240), (3870, 460116), (4644, 383430), (5160, 345087), (5805, 306744), (6966, 255620), (7740, 230058), (9288, 191715), (11610, 153372), (12781, 139320), (13932, 127810), (15480, 115029), (17415, 102248), (23220, 76686), (25562, 69660), (27864, 63905), (34830, 51124), (38343, 46440)]