19280760

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{73}}^1$

素因数の和:189

約数の個数: 128

約数和(自身を含む): 61378560

約数和(自身を除く): 42097800

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 31, 40, 60, 62, 71, 73, 93, 120, 124, 142, 146, 155, 186, 213, 219, 248, 284, 292, 310, 355, 365, 372, 426, 438, 465, 568, 584, 620, 710, 730, 744, 852, 876, 930, 1065, 1095, 1240, 1420, 1460, 1704, 1752, 1860, 2130, 2190, 2201, 2263, 2840, 2920, 3720, 4260, 4380, 4402, 4526, 5183, 6603, 6789, 8520, 8760, 8804, 9052, 10366, 11005, 11315, 13206, 13578, 15549, 17608, 18104, 20732, 22010, 22630, 25915, 26412, 27156, 31098, 33015, 33945, 41464, 44020, 45260, 51830, 52824, 54312, 62196, 66030, 67890, 77745, 88040, 90520, 103660, 124392, 132060, 135780, 155490, 160673, 207320, 264120, 271560, 310980, 321346, 482019, 621960, 642692, 803365, 964038, 1285384, 1606730, 1928076, 2410095, 3213460, 3856152, 4820190, 6426920, 9640380, 19280760]

約数ペア:

[(1, 19280760), (2, 9640380), (3, 6426920), (4, 4820190), (5, 3856152), (6, 3213460), (8, 2410095), (10, 1928076), (12, 1606730), (15, 1285384), (20, 964038), (24, 803365), (30, 642692), (31, 621960), (40, 482019), (60, 321346), (62, 310980), (71, 271560), (73, 264120), (93, 207320), (120, 160673), (124, 155490), (142, 135780), (146, 132060), (155, 124392), (186, 103660), (213, 90520), (219, 88040), (248, 77745), (284, 67890), (292, 66030), (310, 62196), (355, 54312), (365, 52824), (372, 51830), (426, 45260), (438, 44020), (465, 41464), (568, 33945), (584, 33015), (620, 31098), (710, 27156), (730, 26412), (744, 25915), (852, 22630), (876, 22010), (930, 20732), (1065, 18104), (1095, 17608), (1240, 15549), (1420, 13578), (1460, 13206), (1704, 11315), (1752, 11005), (1860, 10366), (2130, 9052), (2190, 8804), (2201, 8760), (2263, 8520), (2840, 6789), (2920, 6603), (3720, 5183), (4260, 4526), (4380, 4402)]