61278420

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{1097}}^1$

素因数の和:1142

約数の個数: 144

約数和(自身を含む): 210288960

約数和(自身を除く): 149010540

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 19, 20, 21, 28, 30, 35, 38, 42, 49, 57, 60, 70, 76, 84, 95, 98, 105, 114, 133, 140, 147, 190, 196, 210, 228, 245, 266, 285, 294, 380, 399, 420, 490, 532, 570, 588, 665, 735, 798, 931, 980, 1097, 1140, 1330, 1470, 1596, 1862, 1995, 2194, 2660, 2793, 2940, 3291, 3724, 3990, 4388, 4655, 5485, 5586, 6582, 7679, 7980, 9310, 10970, 11172, 13164, 13965, 15358, 16455, 18620, 20843, 21940, 23037, 27930, 30716, 32910, 38395, 41686, 46074, 53753, 55860, 62529, 65820, 76790, 83372, 92148, 104215, 107506, 115185, 125058, 145901, 153580, 161259, 208430, 215012, 230370, 250116, 268765, 291802, 312645, 322518, 416860, 437703, 460740, 537530, 583604, 625290, 645036, 729505, 806295, 875406, 1021307, 1075060, 1250580, 1459010, 1612590, 1750812, 2042614, 2188515, 2918020, 3063921, 3225180, 4085228, 4377030, 5106535, 6127842, 8754060, 10213070, 12255684, 15319605, 20426140, 30639210, 61278420]

約数ペア:

[(1, 61278420), (2, 30639210), (3, 20426140), (4, 15319605), (5, 12255684), (6, 10213070), (7, 8754060), (10, 6127842), (12, 5106535), (14, 4377030), (15, 4085228), (19, 3225180), (20, 3063921), (21, 2918020), (28, 2188515), (30, 2042614), (35, 1750812), (38, 1612590), (42, 1459010), (49, 1250580), (57, 1075060), (60, 1021307), (70, 875406), (76, 806295), (84, 729505), (95, 645036), (98, 625290), (105, 583604), (114, 537530), (133, 460740), (140, 437703), (147, 416860), (190, 322518), (196, 312645), (210, 291802), (228, 268765), (245, 250116), (266, 230370), (285, 215012), (294, 208430), (380, 161259), (399, 153580), (420, 145901), (490, 125058), (532, 115185), (570, 107506), (588, 104215), (665, 92148), (735, 83372), (798, 76790), (931, 65820), (980, 62529), (1097, 55860), (1140, 53753), (1330, 46074), (1470, 41686), (1596, 38395), (1862, 32910), (1995, 30716), (2194, 27930), (2660, 23037), (2793, 21940), (2940, 20843), (3291, 18620), (3724, 16455), (3990, 15358), (4388, 13965), (4655, 13164), (5485, 11172), (5586, 10970), (6582, 9310), (7679, 7980)]