81953460

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{773}}^1$

素因数の和:838

約数の個数: 144

約数和(自身を含む): 270466560

約数和(自身を除く): 188513100

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, 773, 855, 930, 1116, 1140, 1178, 1395, 1546, 1710, 1767, 1860, 2319, 2356, 2790, 2945, 3092, 3420, 3534, 3865, 4638, 5301, 5580, 5890, 6957, 7068, 7730, 8835, 9276, 10602, 11595, 11780, 13914, 14687, 15460, 17670, 21204, 23190, 23963, 26505, 27828, 29374, 34785, 35340, 44061, 46380, 47926, 53010, 58748, 69570, 71889, 73435, 88122, 95852, 106020, 119815, 132183, 139140, 143778, 146870, 176244, 215667, 220305, 239630, 264366, 287556, 293740, 359445, 431334, 440610, 455297, 479260, 528732, 660915, 718890, 862668, 881220, 910594, 1078335, 1321830, 1365891, 1437780, 1821188, 2156670, 2276485, 2643660, 2731782, 4097673, 4313340, 4552970, 5463564, 6829455, 8195346, 9105940, 13658910, 16390692, 20488365, 27317820, 40976730, 81953460]

約数ペア:

[(1, 81953460), (2, 40976730), (3, 27317820), (4, 20488365), (5, 16390692), (6, 13658910), (9, 9105940), (10, 8195346), (12, 6829455), (15, 5463564), (18, 4552970), (19, 4313340), (20, 4097673), (30, 2731782), (31, 2643660), (36, 2276485), (38, 2156670), (45, 1821188), (57, 1437780), (60, 1365891), (62, 1321830), (76, 1078335), (90, 910594), (93, 881220), (95, 862668), (114, 718890), (124, 660915), (155, 528732), (171, 479260), (180, 455297), (186, 440610), (190, 431334), (228, 359445), (279, 293740), (285, 287556), (310, 264366), (342, 239630), (372, 220305), (380, 215667), (465, 176244), (558, 146870), (570, 143778), (589, 139140), (620, 132183), (684, 119815), (773, 106020), (855, 95852), (930, 88122), (1116, 73435), (1140, 71889), (1178, 69570), (1395, 58748), (1546, 53010), (1710, 47926), (1767, 46380), (1860, 44061), (2319, 35340), (2356, 34785), (2790, 29374), (2945, 27828), (3092, 26505), (3420, 23963), (3534, 23190), (3865, 21204), (4638, 17670), (5301, 15460), (5580, 14687), (5890, 13914), (6957, 11780), (7068, 11595), (7730, 10602), (8835, 9276)]