72866920

素因数分解:

$2^3\times 5^1\times 7^3\times {\mathrm{47}}^1\times {\mathrm{113}}^1$

素因数の和:192

約数の個数: 128

約数和(自身を含む): 196992000

約数和(自身を除く): 124125080

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 47, 49, 56, 70, 94, 98, 113, 140, 188, 196, 226, 235, 245, 280, 329, 343, 376, 392, 452, 470, 490, 565, 658, 686, 791, 904, 940, 980, 1130, 1316, 1372, 1582, 1645, 1715, 1880, 1960, 2260, 2303, 2632, 2744, 3164, 3290, 3430, 3955, 4520, 4606, 5311, 5537, 6328, 6580, 6860, 7910, 9212, 10622, 11074, 11515, 13160, 13720, 15820, 16121, 18424, 21244, 22148, 23030, 26555, 27685, 31640, 32242, 37177, 38759, 42488, 44296, 46060, 53110, 55370, 64484, 74354, 77518, 80605, 92120, 106220, 110740, 128968, 148708, 155036, 161210, 185885, 193795, 212440, 221480, 260239, 297416, 310072, 322420, 371770, 387590, 520478, 644840, 743540, 775180, 1040956, 1301195, 1487080, 1550360, 1821673, 2081912, 2602390, 3643346, 5204780, 7286692, 9108365, 10409560, 14573384, 18216730, 36433460, 72866920]

約数ペア:

[(1, 72866920), (2, 36433460), (4, 18216730), (5, 14573384), (7, 10409560), (8, 9108365), (10, 7286692), (14, 5204780), (20, 3643346), (28, 2602390), (35, 2081912), (40, 1821673), (47, 1550360), (49, 1487080), (56, 1301195), (70, 1040956), (94, 775180), (98, 743540), (113, 644840), (140, 520478), (188, 387590), (196, 371770), (226, 322420), (235, 310072), (245, 297416), (280, 260239), (329, 221480), (343, 212440), (376, 193795), (392, 185885), (452, 161210), (470, 155036), (490, 148708), (565, 128968), (658, 110740), (686, 106220), (791, 92120), (904, 80605), (940, 77518), (980, 74354), (1130, 64484), (1316, 55370), (1372, 53110), (1582, 46060), (1645, 44296), (1715, 42488), (1880, 38759), (1960, 37177), (2260, 32242), (2303, 31640), (2632, 27685), (2744, 26555), (3164, 23030), (3290, 22148), (3430, 21244), (3955, 18424), (4520, 16121), (4606, 15820), (5311, 13720), (5537, 13160), (6328, 11515), (6580, 11074), (6860, 10622), (7910, 9212)]