128879660

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{3727}}^1$

素因数の和:3775

約数の個数: 96

約数和(自身を含む): 350730240

約数和(自身を除く): 221850580

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 19, 20, 26, 28, 35, 38, 52, 65, 70, 76, 91, 95, 130, 133, 140, 182, 190, 247, 260, 266, 364, 380, 455, 494, 532, 665, 910, 988, 1235, 1330, 1729, 1820, 2470, 2660, 3458, 3727, 4940, 6916, 7454, 8645, 14908, 17290, 18635, 26089, 34580, 37270, 48451, 52178, 70813, 74540, 96902, 104356, 130445, 141626, 193804, 242255, 260890, 283252, 339157, 354065, 484510, 495691, 521780, 678314, 708130, 920569, 969020, 991382, 1356628, 1416260, 1695785, 1841138, 1982764, 2478455, 3391570, 3682276, 4602845, 4956910, 6443983, 6783140, 9205690, 9913820, 12887966, 18411380, 25775932, 32219915, 64439830, 128879660]

約数ペア:

[(1, 128879660), (2, 64439830), (4, 32219915), (5, 25775932), (7, 18411380), (10, 12887966), (13, 9913820), (14, 9205690), (19, 6783140), (20, 6443983), (26, 4956910), (28, 4602845), (35, 3682276), (38, 3391570), (52, 2478455), (65, 1982764), (70, 1841138), (76, 1695785), (91, 1416260), (95, 1356628), (130, 991382), (133, 969020), (140, 920569), (182, 708130), (190, 678314), (247, 521780), (260, 495691), (266, 484510), (364, 354065), (380, 339157), (455, 283252), (494, 260890), (532, 242255), (665, 193804), (910, 141626), (988, 130445), (1235, 104356), (1330, 96902), (1729, 74540), (1820, 70813), (2470, 52178), (2660, 48451), (3458, 37270), (3727, 34580), (4940, 26089), (6916, 18635), (7454, 17290), (8645, 14908)]