615156780

素因数分解:

$2^2\times 3^1\times 5^1\times 7^3\times {\mathrm{71}}^1\times {\mathrm{421}}^1$

素因数の和:525

約数の個数: 192

約数和(自身を含む): 2041804800

約数和(自身を除く): 1426648020

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 71, 84, 98, 105, 140, 142, 147, 196, 210, 213, 245, 284, 294, 343, 355, 420, 421, 426, 490, 497, 588, 686, 710, 735, 842, 852, 980, 994, 1029, 1065, 1263, 1372, 1420, 1470, 1491, 1684, 1715, 1988, 2058, 2105, 2130, 2485, 2526, 2940, 2947, 2982, 3430, 3479, 4116, 4210, 4260, 4970, 5052, 5145, 5894, 5964, 6315, 6860, 6958, 7455, 8420, 8841, 9940, 10290, 10437, 11788, 12630, 13916, 14735, 14910, 17395, 17682, 20580, 20629, 20874, 24353, 25260, 29470, 29820, 29891, 34790, 35364, 41258, 41748, 44205, 48706, 52185, 58940, 59782, 61887, 69580, 73059, 82516, 88410, 89673, 97412, 103145, 104370, 119564, 121765, 123774, 144403, 146118, 149455, 176820, 179346, 206290, 208740, 209237, 243530, 247548, 288806, 292236, 298910, 309435, 358692, 365295, 412580, 418474, 433209, 448365, 487060, 577612, 597820, 618870, 627711, 722015, 730590, 836948, 866418, 896730, 1046185, 1237740, 1255422, 1444030, 1461180, 1464659, 1732836, 1793460, 2092370, 2166045, 2510844, 2888060, 2929318, 3138555, 4184740, 4332090, 4393977, 5858636, 6277110, 7323295, 8664180, 8787954, 10252613, 12554220, 14646590, 17575908, 20505226, 21969885, 29293180, 30757839, 41010452, 43939770, 51263065, 61515678, 87879540, 102526130, 123031356, 153789195, 205052260, 307578390, 615156780]

約数ペア:

[(1, 615156780), (2, 307578390), (3, 205052260), (4, 153789195), (5, 123031356), (6, 102526130), (7, 87879540), (10, 61515678), (12, 51263065), (14, 43939770), (15, 41010452), (20, 30757839), (21, 29293180), (28, 21969885), (30, 20505226), (35, 17575908), (42, 14646590), (49, 12554220), (60, 10252613), (70, 8787954), (71, 8664180), (84, 7323295), (98, 6277110), (105, 5858636), (140, 4393977), (142, 4332090), (147, 4184740), (196, 3138555), (210, 2929318), (213, 2888060), (245, 2510844), (284, 2166045), (294, 2092370), (343, 1793460), (355, 1732836), (420, 1464659), (421, 1461180), (426, 1444030), (490, 1255422), (497, 1237740), (588, 1046185), (686, 896730), (710, 866418), (735, 836948), (842, 730590), (852, 722015), (980, 627711), (994, 618870), (1029, 597820), (1065, 577612), (1263, 487060), (1372, 448365), (1420, 433209), (1470, 418474), (1491, 412580), (1684, 365295), (1715, 358692), (1988, 309435), (2058, 298910), (2105, 292236), (2130, 288806), (2485, 247548), (2526, 243530), (2940, 209237), (2947, 208740), (2982, 206290), (3430, 179346), (3479, 176820), (4116, 149455), (4210, 146118), (4260, 144403), (4970, 123774), (5052, 121765), (5145, 119564), (5894, 104370), (5964, 103145), (6315, 97412), (6860, 89673), (6958, 88410), (7455, 82516), (8420, 73059), (8841, 69580), (9940, 61887), (10290, 59782), (10437, 58940), (11788, 52185), (12630, 48706), (13916, 44205), (14735, 41748), (14910, 41258), (17395, 35364), (17682, 34790), (20580, 29891), (20629, 29820), (20874, 29470), (24353, 25260)]