29481920

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{373}}^1$

素因数の和:422

約数の個数: 112

約数和(自身を含む): 79796640

約数和(自身を除く): 50314720

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 19, 20, 26, 32, 38, 40, 52, 64, 65, 76, 80, 95, 104, 130, 152, 160, 190, 208, 247, 260, 304, 320, 373, 380, 416, 494, 520, 608, 746, 760, 832, 988, 1040, 1216, 1235, 1492, 1520, 1865, 1976, 2080, 2470, 2984, 3040, 3730, 3952, 4160, 4849, 4940, 5968, 6080, 7087, 7460, 7904, 9698, 9880, 11936, 14174, 14920, 15808, 19396, 19760, 23872, 24245, 28348, 29840, 35435, 38792, 39520, 48490, 56696, 59680, 70870, 77584, 79040, 92131, 96980, 113392, 119360, 141740, 155168, 184262, 193960, 226784, 283480, 310336, 368524, 387920, 453568, 460655, 566960, 737048, 775840, 921310, 1133920, 1474096, 1551680, 1842620, 2267840, 2948192, 3685240, 5896384, 7370480, 14740960, 29481920]

約数ペア:

[(1, 29481920), (2, 14740960), (4, 7370480), (5, 5896384), (8, 3685240), (10, 2948192), (13, 2267840), (16, 1842620), (19, 1551680), (20, 1474096), (26, 1133920), (32, 921310), (38, 775840), (40, 737048), (52, 566960), (64, 460655), (65, 453568), (76, 387920), (80, 368524), (95, 310336), (104, 283480), (130, 226784), (152, 193960), (160, 184262), (190, 155168), (208, 141740), (247, 119360), (260, 113392), (304, 96980), (320, 92131), (373, 79040), (380, 77584), (416, 70870), (494, 59680), (520, 56696), (608, 48490), (746, 39520), (760, 38792), (832, 35435), (988, 29840), (1040, 28348), (1216, 24245), (1235, 23872), (1492, 19760), (1520, 19396), (1865, 15808), (1976, 14920), (2080, 14174), (2470, 11936), (2984, 9880), (3040, 9698), (3730, 7904), (3952, 7460), (4160, 7087), (4849, 6080), (4940, 5968)]