138798840

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{727}}^1$

素因数の和:821

約数の個数: 128

約数和(自身を含む): 438197760

約数和(自身を除く): 299398920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 37, 40, 43, 60, 74, 86, 111, 120, 129, 148, 172, 185, 215, 222, 258, 296, 344, 370, 430, 444, 516, 555, 645, 727, 740, 860, 888, 1032, 1110, 1290, 1454, 1480, 1591, 1720, 2181, 2220, 2580, 2908, 3182, 3635, 4362, 4440, 4773, 5160, 5816, 6364, 7270, 7955, 8724, 9546, 10905, 12728, 14540, 15910, 17448, 19092, 21810, 23865, 26899, 29080, 31261, 31820, 38184, 43620, 47730, 53798, 62522, 63640, 80697, 87240, 93783, 95460, 107596, 125044, 134495, 156305, 161394, 187566, 190920, 215192, 250088, 268990, 312610, 322788, 375132, 403485, 468915, 537980, 625220, 645576, 750264, 806970, 937830, 1075960, 1156657, 1250440, 1613940, 1875660, 2313314, 3227880, 3469971, 3751320, 4626628, 5783285, 6939942, 9253256, 11566570, 13879884, 17349855, 23133140, 27759768, 34699710, 46266280, 69399420, 138798840]

約数ペア:

[(1, 138798840), (2, 69399420), (3, 46266280), (4, 34699710), (5, 27759768), (6, 23133140), (8, 17349855), (10, 13879884), (12, 11566570), (15, 9253256), (20, 6939942), (24, 5783285), (30, 4626628), (37, 3751320), (40, 3469971), (43, 3227880), (60, 2313314), (74, 1875660), (86, 1613940), (111, 1250440), (120, 1156657), (129, 1075960), (148, 937830), (172, 806970), (185, 750264), (215, 645576), (222, 625220), (258, 537980), (296, 468915), (344, 403485), (370, 375132), (430, 322788), (444, 312610), (516, 268990), (555, 250088), (645, 215192), (727, 190920), (740, 187566), (860, 161394), (888, 156305), (1032, 134495), (1110, 125044), (1290, 107596), (1454, 95460), (1480, 93783), (1591, 87240), (1720, 80697), (2181, 63640), (2220, 62522), (2580, 53798), (2908, 47730), (3182, 43620), (3635, 38184), (4362, 31820), (4440, 31261), (4773, 29080), (5160, 26899), (5816, 23865), (6364, 21810), (7270, 19092), (7955, 17448), (8724, 15910), (9546, 14540), (10905, 12728)]