140255640

素因数分解:

$2^3\times 3^2\times 5^1\times 7^2\times {\mathrm{7951}}^1$

素因数の和:7982

約数の個数: 144

約数和(自身を含む): 530318880

約数和(自身を除く): 390063240

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 49, 56, 60, 63, 70, 72, 84, 90, 98, 105, 120, 126, 140, 147, 168, 180, 196, 210, 245, 252, 280, 294, 315, 360, 392, 420, 441, 490, 504, 588, 630, 735, 840, 882, 980, 1176, 1260, 1470, 1764, 1960, 2205, 2520, 2940, 3528, 4410, 5880, 7951, 8820, 15902, 17640, 23853, 31804, 39755, 47706, 55657, 63608, 71559, 79510, 95412, 111314, 119265, 143118, 159020, 166971, 190824, 222628, 238530, 278285, 286236, 318040, 333942, 357795, 389599, 445256, 477060, 500913, 556570, 572472, 667884, 715590, 779198, 834855, 954120, 1001826, 1113140, 1168797, 1335768, 1431180, 1558396, 1669710, 1947995, 2003652, 2226280, 2337594, 2504565, 2862360, 3116792, 3339420, 3506391, 3895990, 4007304, 4675188, 5009130, 5843985, 6678840, 7012782, 7791980, 9350376, 10018260, 11687970, 14025564, 15583960, 17531955, 20036520, 23375940, 28051128, 35063910, 46751880, 70127820, 140255640]

約数ペア:

[(1, 140255640), (2, 70127820), (3, 46751880), (4, 35063910), (5, 28051128), (6, 23375940), (7, 20036520), (8, 17531955), (9, 15583960), (10, 14025564), (12, 11687970), (14, 10018260), (15, 9350376), (18, 7791980), (20, 7012782), (21, 6678840), (24, 5843985), (28, 5009130), (30, 4675188), (35, 4007304), (36, 3895990), (40, 3506391), (42, 3339420), (45, 3116792), (49, 2862360), (56, 2504565), (60, 2337594), (63, 2226280), (70, 2003652), (72, 1947995), (84, 1669710), (90, 1558396), (98, 1431180), (105, 1335768), (120, 1168797), (126, 1113140), (140, 1001826), (147, 954120), (168, 834855), (180, 779198), (196, 715590), (210, 667884), (245, 572472), (252, 556570), (280, 500913), (294, 477060), (315, 445256), (360, 389599), (392, 357795), (420, 333942), (441, 318040), (490, 286236), (504, 278285), (588, 238530), (630, 222628), (735, 190824), (840, 166971), (882, 159020), (980, 143118), (1176, 119265), (1260, 111314), (1470, 95412), (1764, 79510), (1960, 71559), (2205, 63608), (2520, 55657), (2940, 47706), (3528, 39755), (4410, 31804), (5880, 23853), (7951, 17640), (8820, 15902)]