61181820

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{59}}^1\times {\mathrm{823}}^1$

素因数の和:904

約数の個数: 144

約数和(自身を含む): 215953920

約数和(自身を除く): 154772100

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 59, 60, 63, 70, 84, 90, 105, 118, 126, 140, 177, 180, 210, 236, 252, 295, 315, 354, 413, 420, 531, 590, 630, 708, 823, 826, 885, 1062, 1180, 1239, 1260, 1646, 1652, 1770, 2065, 2124, 2469, 2478, 2655, 3292, 3540, 3717, 4115, 4130, 4938, 4956, 5310, 5761, 6195, 7407, 7434, 8230, 8260, 9876, 10620, 11522, 12345, 12390, 14814, 14868, 16460, 17283, 18585, 23044, 24690, 24780, 28805, 29628, 34566, 37035, 37170, 48557, 49380, 51849, 57610, 69132, 74070, 74340, 86415, 97114, 103698, 115220, 145671, 148140, 172830, 194228, 207396, 242785, 259245, 291342, 339899, 345660, 437013, 485570, 518490, 582684, 679798, 728355, 874026, 971140, 1019697, 1036980, 1359596, 1456710, 1699495, 1748052, 2039394, 2185065, 2913420, 3059091, 3398990, 4078788, 4370130, 5098485, 6118182, 6797980, 8740260, 10196970, 12236364, 15295455, 20393940, 30590910, 61181820]

約数ペア:

[(1, 61181820), (2, 30590910), (3, 20393940), (4, 15295455), (5, 12236364), (6, 10196970), (7, 8740260), (9, 6797980), (10, 6118182), (12, 5098485), (14, 4370130), (15, 4078788), (18, 3398990), (20, 3059091), (21, 2913420), (28, 2185065), (30, 2039394), (35, 1748052), (36, 1699495), (42, 1456710), (45, 1359596), (59, 1036980), (60, 1019697), (63, 971140), (70, 874026), (84, 728355), (90, 679798), (105, 582684), (118, 518490), (126, 485570), (140, 437013), (177, 345660), (180, 339899), (210, 291342), (236, 259245), (252, 242785), (295, 207396), (315, 194228), (354, 172830), (413, 148140), (420, 145671), (531, 115220), (590, 103698), (630, 97114), (708, 86415), (823, 74340), (826, 74070), (885, 69132), (1062, 57610), (1180, 51849), (1239, 49380), (1260, 48557), (1646, 37170), (1652, 37035), (1770, 34566), (2065, 29628), (2124, 28805), (2469, 24780), (2478, 24690), (2655, 23044), (3292, 18585), (3540, 17283), (3717, 16460), (4115, 14868), (4130, 14814), (4938, 12390), (4956, 12345), (5310, 11522), (5761, 10620), (6195, 9876), (7407, 8260), (7434, 8230)]