278104140

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{233}}^1\times {\mathrm{349}}^1$

素因数の和:616

約数の個数: 144

約数和(自身を含む): 894348000

約数和(自身を除く): 616243860

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 30, 36, 38, 45, 57, 60, 76, 90, 95, 114, 171, 180, 190, 228, 233, 285, 342, 349, 380, 466, 570, 684, 698, 699, 855, 932, 1047, 1140, 1165, 1396, 1398, 1710, 1745, 2094, 2097, 2330, 2796, 3141, 3420, 3490, 3495, 4188, 4194, 4427, 4660, 5235, 6282, 6631, 6980, 6990, 8388, 8854, 10470, 10485, 12564, 13262, 13281, 13980, 15705, 17708, 19893, 20940, 20970, 22135, 26524, 26562, 31410, 33155, 39786, 39843, 41940, 44270, 53124, 59679, 62820, 66310, 66405, 79572, 79686, 81317, 88540, 99465, 119358, 132620, 132810, 159372, 162634, 198930, 199215, 238716, 243951, 265620, 298395, 325268, 397860, 398430, 406585, 487902, 596790, 731853, 796860, 813170, 975804, 1193580, 1219755, 1463706, 1545023, 1626340, 2439510, 2927412, 3090046, 3659265, 4635069, 4879020, 6180092, 7318530, 7725115, 9270138, 13905207, 14637060, 15450230, 18540276, 23175345, 27810414, 30900460, 46350690, 55620828, 69526035, 92701380, 139052070, 278104140]

約数ペア:

[(1, 278104140), (2, 139052070), (3, 92701380), (4, 69526035), (5, 55620828), (6, 46350690), (9, 30900460), (10, 27810414), (12, 23175345), (15, 18540276), (18, 15450230), (19, 14637060), (20, 13905207), (30, 9270138), (36, 7725115), (38, 7318530), (45, 6180092), (57, 4879020), (60, 4635069), (76, 3659265), (90, 3090046), (95, 2927412), (114, 2439510), (171, 1626340), (180, 1545023), (190, 1463706), (228, 1219755), (233, 1193580), (285, 975804), (342, 813170), (349, 796860), (380, 731853), (466, 596790), (570, 487902), (684, 406585), (698, 398430), (699, 397860), (855, 325268), (932, 298395), (1047, 265620), (1140, 243951), (1165, 238716), (1396, 199215), (1398, 198930), (1710, 162634), (1745, 159372), (2094, 132810), (2097, 132620), (2330, 119358), (2796, 99465), (3141, 88540), (3420, 81317), (3490, 79686), (3495, 79572), (4188, 66405), (4194, 66310), (4427, 62820), (4660, 59679), (5235, 53124), (6282, 44270), (6631, 41940), (6980, 39843), (6990, 39786), (8388, 33155), (8854, 31410), (10470, 26562), (10485, 26524), (12564, 22135), (13262, 20970), (13281, 20940), (13980, 19893), (15705, 17708)]