71278620

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{149}}^1$

素因数の和:252

約数の個数: 192

約数和(自身を含む): 246758400

約数和(自身を除く): 175479780

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 17, 20, 21, 28, 30, 34, 35, 42, 51, 60, 67, 68, 70, 84, 85, 102, 105, 119, 134, 140, 149, 170, 201, 204, 210, 238, 255, 268, 298, 335, 340, 357, 402, 420, 447, 469, 476, 510, 595, 596, 670, 714, 745, 804, 894, 938, 1005, 1020, 1043, 1139, 1190, 1340, 1407, 1428, 1490, 1785, 1788, 1876, 2010, 2086, 2235, 2278, 2345, 2380, 2533, 2814, 2980, 3129, 3417, 3570, 4020, 4172, 4470, 4556, 4690, 5066, 5215, 5628, 5695, 6258, 6834, 7035, 7140, 7599, 7973, 8940, 9380, 9983, 10132, 10430, 11390, 12516, 12665, 13668, 14070, 15198, 15645, 15946, 17085, 17731, 19966, 20860, 22780, 23919, 25330, 28140, 29949, 30396, 31290, 31892, 34170, 35462, 37995, 39865, 39932, 47838, 49915, 50660, 53193, 59898, 62580, 68340, 69881, 70924, 75990, 79730, 88655, 95676, 99830, 106386, 119595, 119796, 139762, 149745, 151980, 159460, 169711, 177310, 199660, 209643, 212772, 239190, 265965, 279524, 299490, 339422, 349405, 354620, 419286, 478380, 509133, 531930, 598980, 678844, 698810, 838572, 848555, 1018266, 1048215, 1063860, 1187977, 1397620, 1697110, 2036532, 2096430, 2375954, 2545665, 3394220, 3563931, 4192860, 4751908, 5091330, 5939885, 7127862, 10182660, 11879770, 14255724, 17819655, 23759540, 35639310, 71278620]

約数ペア:

[(1, 71278620), (2, 35639310), (3, 23759540), (4, 17819655), (5, 14255724), (6, 11879770), (7, 10182660), (10, 7127862), (12, 5939885), (14, 5091330), (15, 4751908), (17, 4192860), (20, 3563931), (21, 3394220), (28, 2545665), (30, 2375954), (34, 2096430), (35, 2036532), (42, 1697110), (51, 1397620), (60, 1187977), (67, 1063860), (68, 1048215), (70, 1018266), (84, 848555), (85, 838572), (102, 698810), (105, 678844), (119, 598980), (134, 531930), (140, 509133), (149, 478380), (170, 419286), (201, 354620), (204, 349405), (210, 339422), (238, 299490), (255, 279524), (268, 265965), (298, 239190), (335, 212772), (340, 209643), (357, 199660), (402, 177310), (420, 169711), (447, 159460), (469, 151980), (476, 149745), (510, 139762), (595, 119796), (596, 119595), (670, 106386), (714, 99830), (745, 95676), (804, 88655), (894, 79730), (938, 75990), (1005, 70924), (1020, 69881), (1043, 68340), (1139, 62580), (1190, 59898), (1340, 53193), (1407, 50660), (1428, 49915), (1490, 47838), (1785, 39932), (1788, 39865), (1876, 37995), (2010, 35462), (2086, 34170), (2235, 31892), (2278, 31290), (2345, 30396), (2380, 29949), (2533, 28140), (2814, 25330), (2980, 23919), (3129, 22780), (3417, 20860), (3570, 19966), (4020, 17731), (4172, 17085), (4470, 15946), (4556, 15645), (4690, 15198), (5066, 14070), (5215, 13668), (5628, 12665), (5695, 12516), (6258, 11390), (6834, 10430), (7035, 10132), (7140, 9983), (7599, 9380), (7973, 8940)]