20160154820

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{240059}}^1$

素因数の和:240117

約数の個数: 96

約数和(自身を含む): 50815900800

約数和(自身を除く): 30655745980

約数列:

[1, 2, 4, 5, 10, 13, 17, 19, 20, 26, 34, 38, 52, 65, 68, 76, 85, 95, 130, 170, 190, 221, 247, 260, 323, 340, 380, 442, 494, 646, 884, 988, 1105, 1235, 1292, 1615, 2210, 2470, 3230, 4199, 4420, 4940, 6460, 8398, 16796, 20995, 41990, 83980, 240059, 480118, 960236, 1200295, 2400590, 3120767, 4081003, 4561121, 4801180, 6241534, 8162006, 9122242, 12483068, 15603835, 16324012, 18244484, 20405015, 22805605, 31207670, 40810030, 45611210, 53053039, 59294573, 62415340, 77539057, 81620060, 91222420, 106106078, 118589146, 155078114, 212212156, 237178292, 265265195, 296472865, 310156228, 387695285, 530530390, 592945730, 775390570, 1008007741, 1061060780, 1185891460, 1550781140, 2016015482, 4032030964, 5040038705, 10080077410, 20160154820]

約数ペア:

[(1, 20160154820), (2, 10080077410), (4, 5040038705), (5, 4032030964), (10, 2016015482), (13, 1550781140), (17, 1185891460), (19, 1061060780), (20, 1008007741), (26, 775390570), (34, 592945730), (38, 530530390), (52, 387695285), (65, 310156228), (68, 296472865), (76, 265265195), (85, 237178292), (95, 212212156), (130, 155078114), (170, 118589146), (190, 106106078), (221, 91222420), (247, 81620060), (260, 77539057), (323, 62415340), (340, 59294573), (380, 53053039), (442, 45611210), (494, 40810030), (646, 31207670), (884, 22805605), (988, 20405015), (1105, 18244484), (1235, 16324012), (1292, 15603835), (1615, 12483068), (2210, 9122242), (2470, 8162006), (3230, 6241534), (4199, 4801180), (4420, 4561121), (4940, 4081003), (6460, 3120767), (8398, 2400590), (16796, 1200295), (20995, 960236), (41990, 480118), (83980, 240059)]