231494480

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{21757}}^1$

素因数の和:21796

約数の個数: 80

約数和(自身を含む): 647518080

約数和(自身を除く): 416023600

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 28, 35, 38, 40, 56, 70, 76, 80, 95, 112, 133, 140, 152, 190, 266, 280, 304, 380, 532, 560, 665, 760, 1064, 1330, 1520, 2128, 2660, 5320, 10640, 21757, 43514, 87028, 108785, 152299, 174056, 217570, 304598, 348112, 413383, 435140, 609196, 761495, 826766, 870280, 1218392, 1522990, 1653532, 1740560, 2066915, 2436784, 2893681, 3045980, 3307064, 4133830, 5787362, 6091960, 6614128, 8267660, 11574724, 12183920, 14468405, 16535320, 23149448, 28936810, 33070640, 46298896, 57873620, 115747240, 231494480]

約数ペア:

[(1, 231494480), (2, 115747240), (4, 57873620), (5, 46298896), (7, 33070640), (8, 28936810), (10, 23149448), (14, 16535320), (16, 14468405), (19, 12183920), (20, 11574724), (28, 8267660), (35, 6614128), (38, 6091960), (40, 5787362), (56, 4133830), (70, 3307064), (76, 3045980), (80, 2893681), (95, 2436784), (112, 2066915), (133, 1740560), (140, 1653532), (152, 1522990), (190, 1218392), (266, 870280), (280, 826766), (304, 761495), (380, 609196), (532, 435140), (560, 413383), (665, 348112), (760, 304598), (1064, 217570), (1330, 174056), (1520, 152299), (2128, 108785), (2660, 87028), (5320, 43514), (10640, 21757)]