815624591080

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{491}}^1\times {\mathrm{103049}}^1$

素因数の和:103595

約数の個数: 128

約数和(自身を含む): 2044248192000

約数和(自身を除く): 1228623600920

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 31, 40, 52, 62, 65, 104, 124, 130, 155, 248, 260, 310, 403, 491, 520, 620, 806, 982, 1240, 1612, 1964, 2015, 2455, 3224, 3928, 4030, 4910, 6383, 8060, 9820, 12766, 15221, 16120, 19640, 25532, 30442, 31915, 51064, 60884, 63830, 76105, 103049, 121768, 127660, 152210, 197873, 206098, 255320, 304420, 395746, 412196, 515245, 608840, 791492, 824392, 989365, 1030490, 1339637, 1582984, 1978730, 2060980, 2679274, 3194519, 3957460, 4121960, 5358548, 6389038, 6698185, 7914920, 10717096, 12778076, 13396370, 15972595, 25556152, 26792740, 31945190, 41528747, 50597059, 53585480, 63890380, 83057494, 101194118, 127780760, 166114988, 202388236, 207643735, 252985295, 332229976, 404776472, 415287470, 505970590, 657761767, 830574940, 1011941180, 1315523534, 1568508829, 1661149880, 2023882360, 2631047068, 3137017658, 3288808835, 5262094136, 6274035316, 6577617670, 7842544145, 12548070632, 13155235340, 15685088290, 20390614777, 26310470680, 31370176580, 40781229554, 62740353160, 81562459108, 101953073885, 163124918216, 203906147770, 407812295540, 815624591080]

約数ペア:

[(1, 815624591080), (2, 407812295540), (4, 203906147770), (5, 163124918216), (8, 101953073885), (10, 81562459108), (13, 62740353160), (20, 40781229554), (26, 31370176580), (31, 26310470680), (40, 20390614777), (52, 15685088290), (62, 13155235340), (65, 12548070632), (104, 7842544145), (124, 6577617670), (130, 6274035316), (155, 5262094136), (248, 3288808835), (260, 3137017658), (310, 2631047068), (403, 2023882360), (491, 1661149880), (520, 1568508829), (620, 1315523534), (806, 1011941180), (982, 830574940), (1240, 657761767), (1612, 505970590), (1964, 415287470), (2015, 404776472), (2455, 332229976), (3224, 252985295), (3928, 207643735), (4030, 202388236), (4910, 166114988), (6383, 127780760), (8060, 101194118), (9820, 83057494), (12766, 63890380), (15221, 53585480), (16120, 50597059), (19640, 41528747), (25532, 31945190), (30442, 26792740), (31915, 25556152), (51064, 15972595), (60884, 13396370), (63830, 12778076), (76105, 10717096), (103049, 7914920), (121768, 6698185), (127660, 6389038), (152210, 5358548), (197873, 4121960), (206098, 3957460), (255320, 3194519), (304420, 2679274), (395746, 2060980), (412196, 1978730), (515245, 1582984), (608840, 1339637), (791492, 1030490), (824392, 989365)]