80398980

素因数分解:

$2^2\times 3^5\times 5^1\times {\mathrm{71}}^1\times {\mathrm{233}}^1$

素因数の和:328

約数の個数: 144

約数和(自身を含む): 257572224

約数和(自身を除く): 177173244

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 71, 81, 90, 108, 135, 142, 162, 180, 213, 233, 243, 270, 284, 324, 355, 405, 426, 466, 486, 540, 639, 699, 710, 810, 852, 932, 972, 1065, 1165, 1215, 1278, 1398, 1420, 1620, 1917, 2097, 2130, 2330, 2430, 2556, 2796, 3195, 3495, 3834, 4194, 4260, 4660, 4860, 5751, 6291, 6390, 6990, 7668, 8388, 9585, 10485, 11502, 12582, 12780, 13980, 16543, 17253, 18873, 19170, 20970, 23004, 25164, 28755, 31455, 33086, 34506, 37746, 38340, 41940, 49629, 56619, 57510, 62910, 66172, 69012, 75492, 82715, 86265, 94365, 99258, 113238, 115020, 125820, 148887, 165430, 172530, 188730, 198516, 226476, 248145, 283095, 297774, 330860, 345060, 377460, 446661, 496290, 566190, 595548, 744435, 893322, 992580, 1132380, 1339983, 1488870, 1786644, 2233305, 2679966, 2977740, 4019949, 4466610, 5359932, 6699915, 8039898, 8933220, 13399830, 16079796, 20099745, 26799660, 40199490, 80398980]

約数ペア:

[(1, 80398980), (2, 40199490), (3, 26799660), (4, 20099745), (5, 16079796), (6, 13399830), (9, 8933220), (10, 8039898), (12, 6699915), (15, 5359932), (18, 4466610), (20, 4019949), (27, 2977740), (30, 2679966), (36, 2233305), (45, 1786644), (54, 1488870), (60, 1339983), (71, 1132380), (81, 992580), (90, 893322), (108, 744435), (135, 595548), (142, 566190), (162, 496290), (180, 446661), (213, 377460), (233, 345060), (243, 330860), (270, 297774), (284, 283095), (324, 248145), (355, 226476), (405, 198516), (426, 188730), (466, 172530), (486, 165430), (540, 148887), (639, 125820), (699, 115020), (710, 113238), (810, 99258), (852, 94365), (932, 86265), (972, 82715), (1065, 75492), (1165, 69012), (1215, 66172), (1278, 62910), (1398, 57510), (1420, 56619), (1620, 49629), (1917, 41940), (2097, 38340), (2130, 37746), (2330, 34506), (2430, 33086), (2556, 31455), (2796, 28755), (3195, 25164), (3495, 23004), (3834, 20970), (4194, 19170), (4260, 18873), (4660, 17253), (4860, 16543), (5751, 13980), (6291, 12780), (6390, 12582), (6990, 11502), (7668, 10485), (8388, 9585)]