78503460

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{409}}^1\times {\mathrm{457}}^1$

素因数の和:885

約数の個数: 96

約数和(自身を含む): 252376320

約数和(自身を除く): 173872860

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 409, 420, 457, 818, 914, 1227, 1371, 1636, 1828, 2045, 2285, 2454, 2742, 2863, 3199, 4090, 4570, 4908, 5484, 5726, 6135, 6398, 6855, 8180, 8589, 9140, 9597, 11452, 12270, 12796, 13710, 14315, 15995, 17178, 19194, 24540, 27420, 28630, 31990, 34356, 38388, 42945, 47985, 57260, 63980, 85890, 95970, 171780, 186913, 191940, 373826, 560739, 747652, 934565, 1121478, 1308391, 1869130, 2242956, 2616782, 2803695, 3738260, 3925173, 5233564, 5607390, 6541955, 7850346, 11214780, 13083910, 15700692, 19625865, 26167820, 39251730, 78503460]

約数ペア:

[(1, 78503460), (2, 39251730), (3, 26167820), (4, 19625865), (5, 15700692), (6, 13083910), (7, 11214780), (10, 7850346), (12, 6541955), (14, 5607390), (15, 5233564), (20, 3925173), (21, 3738260), (28, 2803695), (30, 2616782), (35, 2242956), (42, 1869130), (60, 1308391), (70, 1121478), (84, 934565), (105, 747652), (140, 560739), (210, 373826), (409, 191940), (420, 186913), (457, 171780), (818, 95970), (914, 85890), (1227, 63980), (1371, 57260), (1636, 47985), (1828, 42945), (2045, 38388), (2285, 34356), (2454, 31990), (2742, 28630), (2863, 27420), (3199, 24540), (4090, 19194), (4570, 17178), (4908, 15995), (5484, 14315), (5726, 13710), (6135, 12796), (6398, 12270), (6855, 11452), (8180, 9597), (8589, 9140)]