1555892040

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{577}}^1\times {\mathrm{977}}^1$

素因数の和:1591

約数の個数: 128

約数和(自身を含む): 4884053760

約数和(自身を除く): 3328161720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 23, 24, 30, 40, 46, 60, 69, 92, 115, 120, 138, 184, 230, 276, 345, 460, 552, 577, 690, 920, 977, 1154, 1380, 1731, 1954, 2308, 2760, 2885, 2931, 3462, 3908, 4616, 4885, 5770, 5862, 6924, 7816, 8655, 9770, 11540, 11724, 13271, 13848, 14655, 17310, 19540, 22471, 23080, 23448, 26542, 29310, 34620, 39080, 39813, 44942, 53084, 58620, 66355, 67413, 69240, 79626, 89884, 106168, 112355, 117240, 132710, 134826, 159252, 179768, 199065, 224710, 265420, 269652, 318504, 337065, 398130, 449420, 530840, 539304, 563729, 674130, 796260, 898840, 1127458, 1348260, 1592520, 1691187, 2254916, 2696520, 2818645, 3382374, 4509832, 5637290, 6764748, 8455935, 11274580, 12965767, 13529496, 16911870, 22549160, 25931534, 33823740, 38897301, 51863068, 64828835, 67647480, 77794602, 103726136, 129657670, 155589204, 194486505, 259315340, 311178408, 388973010, 518630680, 777946020, 1555892040]

約数ペア:

[(1, 1555892040), (2, 777946020), (3, 518630680), (4, 388973010), (5, 311178408), (6, 259315340), (8, 194486505), (10, 155589204), (12, 129657670), (15, 103726136), (20, 77794602), (23, 67647480), (24, 64828835), (30, 51863068), (40, 38897301), (46, 33823740), (60, 25931534), (69, 22549160), (92, 16911870), (115, 13529496), (120, 12965767), (138, 11274580), (184, 8455935), (230, 6764748), (276, 5637290), (345, 4509832), (460, 3382374), (552, 2818645), (577, 2696520), (690, 2254916), (920, 1691187), (977, 1592520), (1154, 1348260), (1380, 1127458), (1731, 898840), (1954, 796260), (2308, 674130), (2760, 563729), (2885, 539304), (2931, 530840), (3462, 449420), (3908, 398130), (4616, 337065), (4885, 318504), (5770, 269652), (5862, 265420), (6924, 224710), (7816, 199065), (8655, 179768), (9770, 159252), (11540, 134826), (11724, 132710), (13271, 117240), (13848, 112355), (14655, 106168), (17310, 89884), (19540, 79626), (22471, 69240), (23080, 67413), (23448, 66355), (26542, 58620), (29310, 53084), (34620, 44942), (39080, 39813)]