1461220740

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{977}}^1\times {\mathrm{1187}}^1$

素因数の和:2186

約数の個数: 144

約数和(自身を含む): 5075021952

約数和(自身を除く): 3613801212

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 977, 1187, 1260, 1954, 2374, 2931, 3561, 3908, 4748, 4885, 5862, 5935, 6839, 7122, 8309, 8793, 9770, 10683, 11724, 11870, 13678, 14244, 14655, 16618, 17586, 17805, 19540, 20517, 21366, 23740, 24927, 27356, 29310, 33236, 34195, 35172, 35610, 41034, 41545, 42732, 43965, 49854, 53415, 58620, 61551, 68390, 71220, 74781, 82068, 83090, 87930, 99708, 102585, 106830, 123102, 124635, 136780, 149562, 166180, 175860, 205170, 213660, 246204, 249270, 299124, 307755, 373905, 410340, 498540, 615510, 747810, 1159699, 1231020, 1495620, 2319398, 3479097, 4638796, 5798495, 6958194, 8117893, 10437291, 11596990, 13916388, 16235786, 17395485, 20874582, 23193980, 24353679, 32471572, 34790970, 40589465, 41749164, 48707358, 52186455, 69581940, 73061037, 81178930, 97414716, 104372910, 121768395, 146122074, 162357860, 208745820, 243536790, 292244148, 365305185, 487073580, 730610370, 1461220740]

約数ペア:

[(1, 1461220740), (2, 730610370), (3, 487073580), (4, 365305185), (5, 292244148), (6, 243536790), (7, 208745820), (9, 162357860), (10, 146122074), (12, 121768395), (14, 104372910), (15, 97414716), (18, 81178930), (20, 73061037), (21, 69581940), (28, 52186455), (30, 48707358), (35, 41749164), (36, 40589465), (42, 34790970), (45, 32471572), (60, 24353679), (63, 23193980), (70, 20874582), (84, 17395485), (90, 16235786), (105, 13916388), (126, 11596990), (140, 10437291), (180, 8117893), (210, 6958194), (252, 5798495), (315, 4638796), (420, 3479097), (630, 2319398), (977, 1495620), (1187, 1231020), (1260, 1159699), (1954, 747810), (2374, 615510), (2931, 498540), (3561, 410340), (3908, 373905), (4748, 307755), (4885, 299124), (5862, 249270), (5935, 246204), (6839, 213660), (7122, 205170), (8309, 175860), (8793, 166180), (9770, 149562), (10683, 136780), (11724, 124635), (11870, 123102), (13678, 106830), (14244, 102585), (14655, 99708), (16618, 87930), (17586, 83090), (17805, 82068), (19540, 74781), (20517, 71220), (21366, 68390), (23740, 61551), (24927, 58620), (27356, 53415), (29310, 49854), (33236, 43965), (34195, 42732), (35172, 41545), (35610, 41034)]