2538790380

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{457}}^1\times {\mathrm{4409}}^1$

素因数の和:4888

約数の個数: 144

約数和(自身を含む): 8822399040

約数和(自身を除く): 6283608660

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, 457, 630, 914, 1260, 1371, 1828, 2285, 2742, 3199, 4113, 4409, 4570, 5484, 6398, 6855, 8226, 8818, 9140, 9597, 12796, 13227, 13710, 15995, 16452, 17636, 19194, 20565, 22045, 26454, 27420, 28791, 30863, 31990, 38388, 39681, 41130, 44090, 47985, 52908, 57582, 61726, 63980, 66135, 79362, 82260, 88180, 92589, 95970, 115164, 123452, 132270, 143955, 154315, 158724, 185178, 191940, 198405, 264540, 277767, 287910, 308630, 370356, 396810, 462945, 555534, 575820, 617260, 793620, 925890, 1111068, 1388835, 1851780, 2014913, 2777670, 4029826, 5555340, 6044739, 8059652, 10074565, 12089478, 14104391, 18134217, 20149130, 24178956, 28208782, 30223695, 36268434, 40298260, 42313173, 56417564, 60447390, 70521955, 72536868, 84626346, 90671085, 120894780, 126939519, 141043910, 169252692, 181342170, 211565865, 253879038, 282087820, 362684340, 423131730, 507758076, 634697595, 846263460, 1269395190, 2538790380]

約数ペア:

[(1, 2538790380), (2, 1269395190), (3, 846263460), (4, 634697595), (5, 507758076), (6, 423131730), (7, 362684340), (9, 282087820), (10, 253879038), (12, 211565865), (14, 181342170), (15, 169252692), (18, 141043910), (20, 126939519), (21, 120894780), (28, 90671085), (30, 84626346), (35, 72536868), (36, 70521955), (42, 60447390), (45, 56417564), (60, 42313173), (63, 40298260), (70, 36268434), (84, 30223695), (90, 28208782), (105, 24178956), (126, 20149130), (140, 18134217), (180, 14104391), (210, 12089478), (252, 10074565), (315, 8059652), (420, 6044739), (457, 5555340), (630, 4029826), (914, 2777670), (1260, 2014913), (1371, 1851780), (1828, 1388835), (2285, 1111068), (2742, 925890), (3199, 793620), (4113, 617260), (4409, 575820), (4570, 555534), (5484, 462945), (6398, 396810), (6855, 370356), (8226, 308630), (8818, 287910), (9140, 277767), (9597, 264540), (12796, 198405), (13227, 191940), (13710, 185178), (15995, 158724), (16452, 154315), (17636, 143955), (19194, 132270), (20565, 123452), (22045, 115164), (26454, 95970), (27420, 92589), (28791, 88180), (30863, 82260), (31990, 79362), (38388, 66135), (39681, 63980), (41130, 61726), (44090, 57582), (47985, 52908)]