85770180

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{809}}^1$

素因数の和:874

約数の個数: 144

約数和(自身を含む): 283046400

約数和(自身を除く): 197276220

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 30, 31, 36, 38, 45, 57, 60, 62, 76, 90, 93, 95, 114, 124, 155, 171, 180, 186, 190, 228, 279, 285, 310, 342, 372, 380, 465, 558, 570, 589, 620, 684, 809, 855, 930, 1116, 1140, 1178, 1395, 1618, 1710, 1767, 1860, 2356, 2427, 2790, 2945, 3236, 3420, 3534, 4045, 4854, 5301, 5580, 5890, 7068, 7281, 8090, 8835, 9708, 10602, 11780, 12135, 14562, 15371, 16180, 17670, 21204, 24270, 25079, 26505, 29124, 30742, 35340, 36405, 46113, 48540, 50158, 53010, 61484, 72810, 75237, 76855, 92226, 100316, 106020, 125395, 138339, 145620, 150474, 153710, 184452, 225711, 230565, 250790, 276678, 300948, 307420, 376185, 451422, 461130, 476501, 501580, 553356, 691695, 752370, 902844, 922260, 953002, 1128555, 1383390, 1429503, 1504740, 1906004, 2257110, 2382505, 2766780, 2859006, 4288509, 4514220, 4765010, 5718012, 7147515, 8577018, 9530020, 14295030, 17154036, 21442545, 28590060, 42885090, 85770180]

約数ペア:

[(1, 85770180), (2, 42885090), (3, 28590060), (4, 21442545), (5, 17154036), (6, 14295030), (9, 9530020), (10, 8577018), (12, 7147515), (15, 5718012), (18, 4765010), (19, 4514220), (20, 4288509), (30, 2859006), (31, 2766780), (36, 2382505), (38, 2257110), (45, 1906004), (57, 1504740), (60, 1429503), (62, 1383390), (76, 1128555), (90, 953002), (93, 922260), (95, 902844), (114, 752370), (124, 691695), (155, 553356), (171, 501580), (180, 476501), (186, 461130), (190, 451422), (228, 376185), (279, 307420), (285, 300948), (310, 276678), (342, 250790), (372, 230565), (380, 225711), (465, 184452), (558, 153710), (570, 150474), (589, 145620), (620, 138339), (684, 125395), (809, 106020), (855, 100316), (930, 92226), (1116, 76855), (1140, 75237), (1178, 72810), (1395, 61484), (1618, 53010), (1710, 50158), (1767, 48540), (1860, 46113), (2356, 36405), (2427, 35340), (2790, 30742), (2945, 29124), (3236, 26505), (3420, 25079), (3534, 24270), (4045, 21204), (4854, 17670), (5301, 16180), (5580, 15371), (5890, 14562), (7068, 12135), (7281, 11780), (8090, 10602), (8835, 9708)]