407488920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{73}}^1\times {\mathrm{181}}^1\times {\mathrm{257}}^1$

素因数の和:525

約数の個数: 128

約数和(自身を含む): 1250907840

約数和(自身を除く): 843418920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 73, 120, 146, 181, 219, 257, 292, 362, 365, 438, 514, 543, 584, 724, 730, 771, 876, 905, 1028, 1086, 1095, 1285, 1448, 1460, 1542, 1752, 1810, 2056, 2172, 2190, 2570, 2715, 2920, 3084, 3620, 3855, 4344, 4380, 5140, 5430, 6168, 7240, 7710, 8760, 10280, 10860, 13213, 15420, 18761, 21720, 26426, 30840, 37522, 39639, 46517, 52852, 56283, 66065, 75044, 79278, 93034, 93805, 105704, 112566, 132130, 139551, 150088, 158556, 186068, 187610, 198195, 225132, 232585, 264260, 279102, 281415, 317112, 372136, 375220, 396390, 450264, 465170, 528520, 558204, 562830, 697755, 750440, 792780, 930340, 1116408, 1125660, 1395510, 1585560, 1860680, 2251320, 2791020, 3395741, 5582040, 6791482, 10187223, 13582964, 16978705, 20374446, 27165928, 33957410, 40748892, 50936115, 67914820, 81497784, 101872230, 135829640, 203744460, 407488920]

約数ペア:

[(1, 407488920), (2, 203744460), (3, 135829640), (4, 101872230), (5, 81497784), (6, 67914820), (8, 50936115), (10, 40748892), (12, 33957410), (15, 27165928), (20, 20374446), (24, 16978705), (30, 13582964), (40, 10187223), (60, 6791482), (73, 5582040), (120, 3395741), (146, 2791020), (181, 2251320), (219, 1860680), (257, 1585560), (292, 1395510), (362, 1125660), (365, 1116408), (438, 930340), (514, 792780), (543, 750440), (584, 697755), (724, 562830), (730, 558204), (771, 528520), (876, 465170), (905, 450264), (1028, 396390), (1086, 375220), (1095, 372136), (1285, 317112), (1448, 281415), (1460, 279102), (1542, 264260), (1752, 232585), (1810, 225132), (2056, 198195), (2172, 187610), (2190, 186068), (2570, 158556), (2715, 150088), (2920, 139551), (3084, 132130), (3620, 112566), (3855, 105704), (4344, 93805), (4380, 93034), (5140, 79278), (5430, 75044), (6168, 66065), (7240, 56283), (7710, 52852), (8760, 46517), (10280, 39639), (10860, 37522), (13213, 30840), (15420, 26426), (18761, 21720)]