128809980

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{311}}^1$

素因数の和:401

約数の個数: 192

約数和(自身を含む): 440294400

約数和(自身を除く): 311484420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 27, 30, 36, 39, 45, 52, 54, 59, 60, 65, 78, 90, 108, 117, 118, 130, 135, 156, 177, 180, 195, 234, 236, 260, 270, 295, 311, 351, 354, 390, 468, 531, 540, 585, 590, 622, 702, 708, 767, 780, 885, 933, 1062, 1170, 1180, 1244, 1404, 1534, 1555, 1593, 1755, 1770, 1866, 2124, 2301, 2340, 2655, 2799, 3068, 3110, 3186, 3510, 3540, 3732, 3835, 4043, 4602, 4665, 5310, 5598, 6220, 6372, 6903, 7020, 7670, 7965, 8086, 8397, 9204, 9330, 10620, 11196, 11505, 12129, 13806, 13995, 15340, 15930, 16172, 16794, 18349, 18660, 20215, 20709, 23010, 24258, 27612, 27990, 31860, 33588, 34515, 36387, 36698, 40430, 41418, 41985, 46020, 48516, 55047, 55980, 60645, 69030, 72774, 73396, 80860, 82836, 83970, 91745, 103545, 109161, 110094, 121290, 138060, 145548, 165141, 167940, 181935, 183490, 207090, 218322, 220188, 238537, 242580, 275235, 330282, 363870, 366980, 414180, 436644, 477074, 495423, 545805, 550470, 660564, 715611, 727740, 825705, 954148, 990846, 1091610, 1100940, 1192685, 1431222, 1651410, 1981692, 2146833, 2183220, 2385370, 2477115, 2862444, 3302820, 3578055, 4293666, 4770740, 4954230, 6440499, 7156110, 8587332, 9908460, 10734165, 12880998, 14312220, 21468330, 25761996, 32202495, 42936660, 64404990, 128809980]

約数ペア:

[(1, 128809980), (2, 64404990), (3, 42936660), (4, 32202495), (5, 25761996), (6, 21468330), (9, 14312220), (10, 12880998), (12, 10734165), (13, 9908460), (15, 8587332), (18, 7156110), (20, 6440499), (26, 4954230), (27, 4770740), (30, 4293666), (36, 3578055), (39, 3302820), (45, 2862444), (52, 2477115), (54, 2385370), (59, 2183220), (60, 2146833), (65, 1981692), (78, 1651410), (90, 1431222), (108, 1192685), (117, 1100940), (118, 1091610), (130, 990846), (135, 954148), (156, 825705), (177, 727740), (180, 715611), (195, 660564), (234, 550470), (236, 545805), (260, 495423), (270, 477074), (295, 436644), (311, 414180), (351, 366980), (354, 363870), (390, 330282), (468, 275235), (531, 242580), (540, 238537), (585, 220188), (590, 218322), (622, 207090), (702, 183490), (708, 181935), (767, 167940), (780, 165141), (885, 145548), (933, 138060), (1062, 121290), (1170, 110094), (1180, 109161), (1244, 103545), (1404, 91745), (1534, 83970), (1555, 82836), (1593, 80860), (1755, 73396), (1770, 72774), (1866, 69030), (2124, 60645), (2301, 55980), (2340, 55047), (2655, 48516), (2799, 46020), (3068, 41985), (3110, 41418), (3186, 40430), (3510, 36698), (3540, 36387), (3732, 34515), (3835, 33588), (4043, 31860), (4602, 27990), (4665, 27612), (5310, 24258), (5598, 23010), (6220, 20709), (6372, 20215), (6903, 18660), (7020, 18349), (7670, 16794), (7965, 16172), (8086, 15930), (8397, 15340), (9204, 13995), (9330, 13806), (10620, 12129), (11196, 11505)]