408209880

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{261673}}^1$

素因数の和:261700

約数の個数: 64

約数和(自身を含む): 1318836960

約数和(自身を除く): 910627080

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 104, 120, 130, 156, 195, 260, 312, 390, 520, 780, 1560, 261673, 523346, 785019, 1046692, 1308365, 1570038, 2093384, 2616730, 3140076, 3401749, 3925095, 5233460, 6280152, 6803498, 7850190, 10205247, 10466920, 13606996, 15700380, 17008745, 20410494, 27213992, 31400760, 34017490, 40820988, 51026235, 68034980, 81641976, 102052470, 136069960, 204104940, 408209880]

約数ペア:

[(1, 408209880), (2, 204104940), (3, 136069960), (4, 102052470), (5, 81641976), (6, 68034980), (8, 51026235), (10, 40820988), (12, 34017490), (13, 31400760), (15, 27213992), (20, 20410494), (24, 17008745), (26, 15700380), (30, 13606996), (39, 10466920), (40, 10205247), (52, 7850190), (60, 6803498), (65, 6280152), (78, 5233460), (104, 3925095), (120, 3401749), (130, 3140076), (156, 2616730), (195, 2093384), (260, 1570038), (312, 1308365), (390, 1046692), (520, 785019), (780, 523346), (1560, 261673)]