289771560

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{20639}}^1$

素因数の和:20672

約数の個数: 128

約数和(自身を含む): 1040256000

約数和(自身を除く): 750484440

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 18, 20, 24, 26, 27, 30, 36, 39, 40, 45, 52, 54, 60, 65, 72, 78, 90, 104, 108, 117, 120, 130, 135, 156, 180, 195, 216, 234, 260, 270, 312, 351, 360, 390, 468, 520, 540, 585, 702, 780, 936, 1080, 1170, 1404, 1560, 1755, 2340, 2808, 3510, 4680, 7020, 14040, 20639, 41278, 61917, 82556, 103195, 123834, 165112, 185751, 206390, 247668, 268307, 309585, 371502, 412780, 495336, 536614, 557253, 619170, 743004, 804921, 825560, 928755, 1073228, 1114506, 1238340, 1341535, 1486008, 1609842, 1857510, 2146456, 2229012, 2414763, 2476680, 2683070, 2786265, 3219684, 3715020, 4024605, 4458024, 4829526, 5366140, 5572530, 6439368, 7244289, 7430040, 8049210, 9659052, 10732280, 11145060, 12073815, 14488578, 16098420, 19318104, 22290120, 24147630, 28977156, 32196840, 36221445, 48295260, 57954312, 72442890, 96590520, 144885780, 289771560]

約数ペア:

[(1, 289771560), (2, 144885780), (3, 96590520), (4, 72442890), (5, 57954312), (6, 48295260), (8, 36221445), (9, 32196840), (10, 28977156), (12, 24147630), (13, 22290120), (15, 19318104), (18, 16098420), (20, 14488578), (24, 12073815), (26, 11145060), (27, 10732280), (30, 9659052), (36, 8049210), (39, 7430040), (40, 7244289), (45, 6439368), (52, 5572530), (54, 5366140), (60, 4829526), (65, 4458024), (72, 4024605), (78, 3715020), (90, 3219684), (104, 2786265), (108, 2683070), (117, 2476680), (120, 2414763), (130, 2229012), (135, 2146456), (156, 1857510), (180, 1609842), (195, 1486008), (216, 1341535), (234, 1238340), (260, 1114506), (270, 1073228), (312, 928755), (351, 825560), (360, 804921), (390, 743004), (468, 619170), (520, 557253), (540, 536614), (585, 495336), (702, 412780), (780, 371502), (936, 309585), (1080, 268307), (1170, 247668), (1404, 206390), (1560, 185751), (1755, 165112), (2340, 123834), (2808, 103195), (3510, 82556), (4680, 61917), (7020, 41278), (14040, 20639)]