642195540

素因数分解:

$2^2\times 3^5\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{439}}^1$

素因数の和:513

約数の個数: 288

約数和(自身を含む): 2367805440

約数和(自身を除く): 1725609900

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 42, 43, 45, 54, 60, 63, 70, 81, 84, 86, 90, 105, 108, 126, 129, 135, 140, 162, 172, 180, 189, 210, 215, 243, 252, 258, 270, 301, 315, 324, 378, 387, 405, 420, 430, 439, 486, 516, 540, 567, 602, 630, 645, 756, 774, 810, 860, 878, 903, 945, 972, 1134, 1161, 1204, 1215, 1260, 1290, 1317, 1505, 1548, 1620, 1701, 1756, 1806, 1890, 1935, 2195, 2268, 2322, 2430, 2580, 2634, 2709, 2835, 3010, 3073, 3402, 3483, 3612, 3780, 3870, 3951, 4390, 4515, 4644, 4860, 5268, 5418, 5670, 5805, 6020, 6146, 6585, 6804, 6966, 7740, 7902, 8127, 8505, 8780, 9030, 9219, 10449, 10836, 11340, 11610, 11853, 12292, 13170, 13545, 13932, 15365, 15804, 16254, 17010, 17415, 18060, 18438, 18877, 19755, 20898, 23220, 23706, 24381, 26340, 27090, 27657, 30730, 32508, 34020, 34830, 35559, 36876, 37754, 39510, 40635, 41796, 46095, 47412, 48762, 52245, 54180, 55314, 56631, 59265, 61460, 69660, 71118, 73143, 75508, 79020, 81270, 82971, 92190, 94385, 97524, 104490, 106677, 110628, 113262, 118530, 121905, 132139, 138285, 142236, 146286, 162540, 165942, 169893, 177795, 184380, 188770, 208980, 213354, 226524, 237060, 243810, 248913, 264278, 276570, 283155, 292572, 331884, 339786, 355590, 365715, 377540, 396417, 414855, 426708, 487620, 497826, 509679, 528556, 533385, 553140, 566310, 660695, 679572, 711180, 731430, 746739, 792834, 829710, 849465, 995652, 1019358, 1066770, 1132620, 1189251, 1244565, 1321390, 1462860, 1493478, 1529037, 1585668, 1659420, 1698930, 1982085, 2038716, 2133540, 2378502, 2489130, 2548395, 2642780, 2986956, 3058074, 3397860, 3567753, 3733695, 3964170, 4587111, 4757004, 4978260, 5096790, 5946255, 6116148, 7135506, 7467390, 7645185, 7928340, 9174222, 10193580, 10703259, 11892510, 14271012, 14934780, 15290370, 17838765, 18348444, 21406518, 22935555, 23785020, 30580740, 32109777, 35677530, 42813036, 45871110, 53516295, 64219554, 71355060, 91742220, 107032590, 128439108, 160548885, 214065180, 321097770, 642195540]

約数ペア:

[(1, 642195540), (2, 321097770), (3, 214065180), (4, 160548885), (5, 128439108), (6, 107032590), (7, 91742220), (9, 71355060), (10, 64219554), (12, 53516295), (14, 45871110), (15, 42813036), (18, 35677530), (20, 32109777), (21, 30580740), (27, 23785020), (28, 22935555), (30, 21406518), (35, 18348444), (36, 17838765), (42, 15290370), (43, 14934780), (45, 14271012), (54, 11892510), (60, 10703259), (63, 10193580), (70, 9174222), (81, 7928340), (84, 7645185), (86, 7467390), (90, 7135506), (105, 6116148), (108, 5946255), (126, 5096790), (129, 4978260), (135, 4757004), (140, 4587111), (162, 3964170), (172, 3733695), (180, 3567753), (189, 3397860), (210, 3058074), (215, 2986956), (243, 2642780), (252, 2548395), (258, 2489130), (270, 2378502), (301, 2133540), (315, 2038716), (324, 1982085), (378, 1698930), (387, 1659420), (405, 1585668), (420, 1529037), (430, 1493478), (439, 1462860), (486, 1321390), (516, 1244565), (540, 1189251), (567, 1132620), (602, 1066770), (630, 1019358), (645, 995652), (756, 849465), (774, 829710), (810, 792834), (860, 746739), (878, 731430), (903, 711180), (945, 679572), (972, 660695), (1134, 566310), (1161, 553140), (1204, 533385), (1215, 528556), (1260, 509679), (1290, 497826), (1317, 487620), (1505, 426708), (1548, 414855), (1620, 396417), (1701, 377540), (1756, 365715), (1806, 355590), (1890, 339786), (1935, 331884), (2195, 292572), (2268, 283155), (2322, 276570), (2430, 264278), (2580, 248913), (2634, 243810), (2709, 237060), (2835, 226524), (3010, 213354), (3073, 208980), (3402, 188770), (3483, 184380), (3612, 177795), (3780, 169893), (3870, 165942), (3951, 162540), (4390, 146286), (4515, 142236), (4644, 138285), (4860, 132139), (5268, 121905), (5418, 118530), (5670, 113262), (5805, 110628), (6020, 106677), (6146, 104490), (6585, 97524), (6804, 94385), (6966, 92190), (7740, 82971), (7902, 81270), (8127, 79020), (8505, 75508), (8780, 73143), (9030, 71118), (9219, 69660), (10449, 61460), (10836, 59265), (11340, 56631), (11610, 55314), (11853, 54180), (12292, 52245), (13170, 48762), (13545, 47412), (13932, 46095), (15365, 41796), (15804, 40635), (16254, 39510), (17010, 37754), (17415, 36876), (18060, 35559), (18438, 34830), (18877, 34020), (19755, 32508), (20898, 30730), (23220, 27657), (23706, 27090), (24381, 26340)]