420766920

素因数分解:

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

素因数の和:7985

約数の個数: 192

約数和(自身を含む): 1631750400

約数和(自身を除く): 1210983480

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 42, 45, 49, 54, 56, 60, 63, 70, 72, 84, 90, 98, 105, 108, 120, 126, 135, 140, 147, 168, 180, 189, 196, 210, 216, 245, 252, 270, 280, 294, 315, 360, 378, 392, 420, 441, 490, 504, 540, 588, 630, 735, 756, 840, 882, 945, 980, 1080, 1176, 1260, 1323, 1470, 1512, 1764, 1890, 1960, 2205, 2520, 2646, 2940, 3528, 3780, 4410, 5292, 5880, 6615, 7560, 7951, 8820, 10584, 13230, 15902, 17640, 23853, 26460, 31804, 39755, 47706, 52920, 55657, 63608, 71559, 79510, 95412, 111314, 119265, 143118, 159020, 166971, 190824, 214677, 222628, 238530, 278285, 286236, 318040, 333942, 357795, 389599, 429354, 445256, 477060, 500913, 556570, 572472, 667884, 715590, 779198, 834855, 858708, 954120, 1001826, 1073385, 1113140, 1168797, 1335768, 1431180, 1502739, 1558396, 1669710, 1717416, 1947995, 2003652, 2146770, 2226280, 2337594, 2504565, 2862360, 3005478, 3116792, 3339420, 3506391, 3895990, 4007304, 4293540, 4675188, 5009130, 5843985, 6010956, 6678840, 7012782, 7513695, 7791980, 8587080, 9350376, 10018260, 10519173, 11687970, 12021912, 14025564, 15027390, 15583960, 17531955, 20036520, 21038346, 23375940, 28051128, 30054780, 35063910, 42076692, 46751880, 52595865, 60109560, 70127820, 84153384, 105191730, 140255640, 210383460, 420766920]

約数ペア:

[(1, 420766920), (2, 210383460), (3, 140255640), (4, 105191730), (5, 84153384), (6, 70127820), (7, 60109560), (8, 52595865), (9, 46751880), (10, 42076692), (12, 35063910), (14, 30054780), (15, 28051128), (18, 23375940), (20, 21038346), (21, 20036520), (24, 17531955), (27, 15583960), (28, 15027390), (30, 14025564), (35, 12021912), (36, 11687970), (40, 10519173), (42, 10018260), (45, 9350376), (49, 8587080), (54, 7791980), (56, 7513695), (60, 7012782), (63, 6678840), (70, 6010956), (72, 5843985), (84, 5009130), (90, 4675188), (98, 4293540), (105, 4007304), (108, 3895990), (120, 3506391), (126, 3339420), (135, 3116792), (140, 3005478), (147, 2862360), (168, 2504565), (180, 2337594), (189, 2226280), (196, 2146770), (210, 2003652), (216, 1947995), (245, 1717416), (252, 1669710), (270, 1558396), (280, 1502739), (294, 1431180), (315, 1335768), (360, 1168797), (378, 1113140), (392, 1073385), (420, 1001826), (441, 954120), (490, 858708), (504, 834855), (540, 779198), (588, 715590), (630, 667884), (735, 572472), (756, 556570), (840, 500913), (882, 477060), (945, 445256), (980, 429354), (1080, 389599), (1176, 357795), (1260, 333942), (1323, 318040), (1470, 286236), (1512, 278285), (1764, 238530), (1890, 222628), (1960, 214677), (2205, 190824), (2520, 166971), (2646, 159020), (2940, 143118), (3528, 119265), (3780, 111314), (4410, 95412), (5292, 79510), (5880, 71559), (6615, 63608), (7560, 55657), (7951, 52920), (8820, 47706), (10584, 39755), (13230, 31804), (15902, 26460), (17640, 23853)]