72278220

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{191}}^1$

素因数の和:280

約数の個数: 192

約数和(自身を含む): 250822656

約数和(自身を除く): 178544436

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 17, 20, 21, 28, 30, 34, 35, 42, 51, 53, 60, 68, 70, 84, 85, 102, 105, 106, 119, 140, 159, 170, 191, 204, 210, 212, 238, 255, 265, 318, 340, 357, 371, 382, 420, 476, 510, 530, 573, 595, 636, 714, 742, 764, 795, 901, 955, 1020, 1060, 1113, 1146, 1190, 1337, 1428, 1484, 1590, 1785, 1802, 1855, 1910, 2226, 2292, 2380, 2674, 2703, 2865, 3180, 3247, 3570, 3604, 3710, 3820, 4011, 4452, 4505, 5348, 5406, 5565, 5730, 6307, 6494, 6685, 7140, 7420, 8022, 9010, 9741, 10123, 10812, 11130, 11460, 12614, 12988, 13370, 13515, 16044, 16235, 18020, 18921, 19482, 20055, 20246, 22260, 22729, 25228, 26740, 27030, 30369, 31535, 32470, 37842, 38964, 40110, 40492, 45458, 48705, 50615, 54060, 60738, 63070, 64940, 68187, 70861, 75684, 80220, 90916, 94605, 97410, 101230, 113645, 121476, 126140, 136374, 141722, 151845, 172091, 189210, 194820, 202460, 212583, 227290, 272748, 283444, 303690, 340935, 344182, 354305, 378420, 425166, 454580, 516273, 607380, 681870, 688364, 708610, 850332, 860455, 1032546, 1062915, 1204637, 1363740, 1417220, 1720910, 2065092, 2125830, 2409274, 2581365, 3441820, 3613911, 4251660, 4818548, 5162730, 6023185, 7227822, 10325460, 12046370, 14455644, 18069555, 24092740, 36139110, 72278220]

約数ペア:

[(1, 72278220), (2, 36139110), (3, 24092740), (4, 18069555), (5, 14455644), (6, 12046370), (7, 10325460), (10, 7227822), (12, 6023185), (14, 5162730), (15, 4818548), (17, 4251660), (20, 3613911), (21, 3441820), (28, 2581365), (30, 2409274), (34, 2125830), (35, 2065092), (42, 1720910), (51, 1417220), (53, 1363740), (60, 1204637), (68, 1062915), (70, 1032546), (84, 860455), (85, 850332), (102, 708610), (105, 688364), (106, 681870), (119, 607380), (140, 516273), (159, 454580), (170, 425166), (191, 378420), (204, 354305), (210, 344182), (212, 340935), (238, 303690), (255, 283444), (265, 272748), (318, 227290), (340, 212583), (357, 202460), (371, 194820), (382, 189210), (420, 172091), (476, 151845), (510, 141722), (530, 136374), (573, 126140), (595, 121476), (636, 113645), (714, 101230), (742, 97410), (764, 94605), (795, 90916), (901, 80220), (955, 75684), (1020, 70861), (1060, 68187), (1113, 64940), (1146, 63070), (1190, 60738), (1337, 54060), (1428, 50615), (1484, 48705), (1590, 45458), (1785, 40492), (1802, 40110), (1855, 38964), (1910, 37842), (2226, 32470), (2292, 31535), (2380, 30369), (2674, 27030), (2703, 26740), (2865, 25228), (3180, 22729), (3247, 22260), (3570, 20246), (3604, 20055), (3710, 19482), (3820, 18921), (4011, 18020), (4452, 16235), (4505, 16044), (5348, 13515), (5406, 13370), (5565, 12988), (5730, 12614), (6307, 11460), (6494, 11130), (6685, 10812), (7140, 10123), (7420, 9741), (8022, 9010)]