102802980

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{73}}^1\times {\mathrm{479}}^1$

素因数の和:578

約数の個数: 144

約数和(自身を含む): 340139520

約数和(自身を除く): 237336540

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 73, 84, 98, 105, 140, 146, 147, 196, 210, 219, 245, 292, 294, 365, 420, 438, 479, 490, 511, 588, 730, 735, 876, 958, 980, 1022, 1095, 1437, 1460, 1470, 1533, 1916, 2044, 2190, 2395, 2555, 2874, 2940, 3066, 3353, 3577, 4380, 4790, 5110, 5748, 6132, 6706, 7154, 7185, 7665, 9580, 10059, 10220, 10731, 13412, 14308, 14370, 15330, 16765, 17885, 20118, 21462, 23471, 28740, 30660, 33530, 34967, 35770, 40236, 42924, 46942, 50295, 53655, 67060, 69934, 70413, 71540, 93884, 100590, 104901, 107310, 117355, 139868, 140826, 174835, 201180, 209802, 214620, 234710, 244769, 281652, 349670, 352065, 419604, 469420, 489538, 524505, 699340, 704130, 734307, 979076, 1049010, 1223845, 1408260, 1468614, 1713383, 2098020, 2447690, 2937228, 3426766, 3671535, 4895380, 5140149, 6853532, 7343070, 8566915, 10280298, 14686140, 17133830, 20560596, 25700745, 34267660, 51401490, 102802980]

約数ペア:

[(1, 102802980), (2, 51401490), (3, 34267660), (4, 25700745), (5, 20560596), (6, 17133830), (7, 14686140), (10, 10280298), (12, 8566915), (14, 7343070), (15, 6853532), (20, 5140149), (21, 4895380), (28, 3671535), (30, 3426766), (35, 2937228), (42, 2447690), (49, 2098020), (60, 1713383), (70, 1468614), (73, 1408260), (84, 1223845), (98, 1049010), (105, 979076), (140, 734307), (146, 704130), (147, 699340), (196, 524505), (210, 489538), (219, 469420), (245, 419604), (292, 352065), (294, 349670), (365, 281652), (420, 244769), (438, 234710), (479, 214620), (490, 209802), (511, 201180), (588, 174835), (730, 140826), (735, 139868), (876, 117355), (958, 107310), (980, 104901), (1022, 100590), (1095, 93884), (1437, 71540), (1460, 70413), (1470, 69934), (1533, 67060), (1916, 53655), (2044, 50295), (2190, 46942), (2395, 42924), (2555, 40236), (2874, 35770), (2940, 34967), (3066, 33530), (3353, 30660), (3577, 28740), (4380, 23471), (4790, 21462), (5110, 20118), (5748, 17885), (6132, 16765), (6706, 15330), (7154, 14370), (7185, 14308), (7665, 13412), (9580, 10731), (10059, 10220)]