67815180

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{251}}^1$

素因数の和:364

約数の個数: 144

約数和(自身を含む): 220147200

約数和(自身を除く): 152332020

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 30, 36, 38, 45, 57, 60, 76, 79, 90, 95, 114, 158, 171, 180, 190, 228, 237, 251, 285, 316, 342, 380, 395, 474, 502, 570, 684, 711, 753, 790, 855, 948, 1004, 1140, 1185, 1255, 1422, 1501, 1506, 1580, 1710, 2259, 2370, 2510, 2844, 3002, 3012, 3420, 3555, 3765, 4503, 4518, 4740, 4769, 5020, 6004, 7110, 7505, 7530, 9006, 9036, 9538, 11295, 13509, 14220, 14307, 15010, 15060, 18012, 19076, 19829, 22515, 22590, 23845, 27018, 28614, 30020, 39658, 42921, 45030, 45180, 47690, 54036, 57228, 59487, 67545, 71535, 79316, 85842, 90060, 95380, 99145, 118974, 135090, 143070, 171684, 178461, 198290, 214605, 237948, 270180, 286140, 297435, 356922, 376751, 396580, 429210, 594870, 713844, 753502, 858420, 892305, 1130253, 1189740, 1507004, 1784610, 1883755, 2260506, 3390759, 3569220, 3767510, 4521012, 5651265, 6781518, 7535020, 11302530, 13563036, 16953795, 22605060, 33907590, 67815180]

約数ペア:

[(1, 67815180), (2, 33907590), (3, 22605060), (4, 16953795), (5, 13563036), (6, 11302530), (9, 7535020), (10, 6781518), (12, 5651265), (15, 4521012), (18, 3767510), (19, 3569220), (20, 3390759), (30, 2260506), (36, 1883755), (38, 1784610), (45, 1507004), (57, 1189740), (60, 1130253), (76, 892305), (79, 858420), (90, 753502), (95, 713844), (114, 594870), (158, 429210), (171, 396580), (180, 376751), (190, 356922), (228, 297435), (237, 286140), (251, 270180), (285, 237948), (316, 214605), (342, 198290), (380, 178461), (395, 171684), (474, 143070), (502, 135090), (570, 118974), (684, 99145), (711, 95380), (753, 90060), (790, 85842), (855, 79316), (948, 71535), (1004, 67545), (1140, 59487), (1185, 57228), (1255, 54036), (1422, 47690), (1501, 45180), (1506, 45030), (1580, 42921), (1710, 39658), (2259, 30020), (2370, 28614), (2510, 27018), (2844, 23845), (3002, 22590), (3012, 22515), (3420, 19829), (3555, 19076), (3765, 18012), (4503, 15060), (4518, 15010), (4740, 14307), (4769, 14220), (5020, 13509), (6004, 11295), (7110, 9538), (7505, 9036), (7530, 9006)]