30934280

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{101}}^1$

素因数の和:175

約数の個数: 128

約数和(自身を含む): 82252800

約数和(自身を除く): 51318520

約数列:

[1, 2, 4, 5, 8, 10, 13, 19, 20, 26, 31, 38, 40, 52, 62, 65, 76, 95, 101, 104, 124, 130, 152, 155, 190, 202, 247, 248, 260, 310, 380, 403, 404, 494, 505, 520, 589, 620, 760, 806, 808, 988, 1010, 1178, 1235, 1240, 1313, 1612, 1919, 1976, 2015, 2020, 2356, 2470, 2626, 2945, 3131, 3224, 3838, 4030, 4040, 4712, 4940, 5252, 5890, 6262, 6565, 7657, 7676, 8060, 9595, 9880, 10504, 11780, 12524, 13130, 15314, 15352, 15655, 16120, 19190, 23560, 24947, 25048, 26260, 30628, 31310, 38285, 38380, 40703, 49894, 52520, 59489, 61256, 62620, 76570, 76760, 81406, 99788, 118978, 124735, 125240, 153140, 162812, 199576, 203515, 237956, 249470, 297445, 306280, 325624, 407030, 475912, 498940, 594890, 773357, 814060, 997880, 1189780, 1546714, 1628120, 2379560, 3093428, 3866785, 6186856, 7733570, 15467140, 30934280]

約数ペア:

[(1, 30934280), (2, 15467140), (4, 7733570), (5, 6186856), (8, 3866785), (10, 3093428), (13, 2379560), (19, 1628120), (20, 1546714), (26, 1189780), (31, 997880), (38, 814060), (40, 773357), (52, 594890), (62, 498940), (65, 475912), (76, 407030), (95, 325624), (101, 306280), (104, 297445), (124, 249470), (130, 237956), (152, 203515), (155, 199576), (190, 162812), (202, 153140), (247, 125240), (248, 124735), (260, 118978), (310, 99788), (380, 81406), (403, 76760), (404, 76570), (494, 62620), (505, 61256), (520, 59489), (589, 52520), (620, 49894), (760, 40703), (806, 38380), (808, 38285), (988, 31310), (1010, 30628), (1178, 26260), (1235, 25048), (1240, 24947), (1313, 23560), (1612, 19190), (1919, 16120), (1976, 15655), (2015, 15352), (2020, 15314), (2356, 13130), (2470, 12524), (2626, 11780), (2945, 10504), (3131, 9880), (3224, 9595), (3838, 8060), (4030, 7676), (4040, 7657), (4712, 6565), (4940, 6262), (5252, 5890)]