128820900

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{67}}^1$

素因数の和:143

約数の個数: 288

約数和(自身を含む): 446221440

約数和(自身を除く): 317400540

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 17, 20, 25, 26, 29, 30, 34, 39, 50, 51, 52, 58, 60, 65, 67, 68, 75, 78, 85, 87, 100, 102, 116, 130, 134, 145, 150, 156, 170, 174, 195, 201, 204, 221, 255, 260, 268, 290, 300, 325, 335, 340, 348, 377, 390, 402, 425, 435, 442, 493, 510, 580, 650, 663, 670, 725, 754, 780, 804, 850, 870, 871, 884, 975, 986, 1005, 1020, 1105, 1131, 1139, 1275, 1300, 1326, 1340, 1450, 1479, 1508, 1675, 1700, 1740, 1742, 1885, 1943, 1950, 1972, 2010, 2175, 2210, 2262, 2278, 2465, 2550, 2613, 2652, 2900, 2958, 3315, 3350, 3417, 3484, 3770, 3886, 3900, 4020, 4350, 4355, 4420, 4524, 4556, 4930, 5025, 5100, 5226, 5525, 5655, 5695, 5829, 5916, 6409, 6630, 6700, 6834, 7395, 7540, 7772, 8700, 8710, 9425, 9715, 9860, 10050, 10452, 11050, 11310, 11390, 11658, 12325, 12818, 13065, 13260, 13668, 14790, 14807, 16575, 17085, 17420, 18850, 19227, 19430, 20100, 21775, 22100, 22620, 22780, 23316, 24650, 25259, 25636, 26130, 28275, 28475, 29145, 29580, 29614, 32045, 33031, 33150, 34170, 36975, 37700, 38454, 38860, 43550, 44421, 48575, 49300, 50518, 52260, 56550, 56950, 58290, 59228, 64090, 65325, 66062, 66300, 68340, 73950, 74035, 75777, 76908, 85425, 87100, 88842, 96135, 97150, 99093, 101036, 113100, 113900, 116580, 126295, 128180, 130650, 132124, 145725, 147900, 148070, 151554, 160225, 165155, 170850, 177684, 192270, 194300, 198186, 222105, 252590, 261300, 291450, 296140, 303108, 320450, 330310, 341700, 370175, 378885, 384540, 396372, 429403, 444210, 480675, 495465, 505180, 582900, 631475, 640900, 660620, 740350, 757770, 825775, 858806, 888420, 961350, 990930, 1110525, 1262950, 1288209, 1480700, 1515540, 1651550, 1717612, 1894425, 1922700, 1981860, 2147015, 2221050, 2477325, 2525900, 2576418, 3303100, 3788850, 4294030, 4442100, 4954650, 5152836, 6441045, 7577700, 8588060, 9909300, 10735075, 12882090, 21470150, 25764180, 32205225, 42940300, 64410450, 128820900]

約数ペア:

[(1, 128820900), (2, 64410450), (3, 42940300), (4, 32205225), (5, 25764180), (6, 21470150), (10, 12882090), (12, 10735075), (13, 9909300), (15, 8588060), (17, 7577700), (20, 6441045), (25, 5152836), (26, 4954650), (29, 4442100), (30, 4294030), (34, 3788850), (39, 3303100), (50, 2576418), (51, 2525900), (52, 2477325), (58, 2221050), (60, 2147015), (65, 1981860), (67, 1922700), (68, 1894425), (75, 1717612), (78, 1651550), (85, 1515540), (87, 1480700), (100, 1288209), (102, 1262950), (116, 1110525), (130, 990930), (134, 961350), (145, 888420), (150, 858806), (156, 825775), (170, 757770), (174, 740350), (195, 660620), (201, 640900), (204, 631475), (221, 582900), (255, 505180), (260, 495465), (268, 480675), (290, 444210), (300, 429403), (325, 396372), (335, 384540), (340, 378885), (348, 370175), (377, 341700), (390, 330310), (402, 320450), (425, 303108), (435, 296140), (442, 291450), (493, 261300), (510, 252590), (580, 222105), (650, 198186), (663, 194300), (670, 192270), (725, 177684), (754, 170850), (780, 165155), (804, 160225), (850, 151554), (870, 148070), (871, 147900), (884, 145725), (975, 132124), (986, 130650), (1005, 128180), (1020, 126295), (1105, 116580), (1131, 113900), (1139, 113100), (1275, 101036), (1300, 99093), (1326, 97150), (1340, 96135), (1450, 88842), (1479, 87100), (1508, 85425), (1675, 76908), (1700, 75777), (1740, 74035), (1742, 73950), (1885, 68340), (1943, 66300), (1950, 66062), (1972, 65325), (2010, 64090), (2175, 59228), (2210, 58290), (2262, 56950), (2278, 56550), (2465, 52260), (2550, 50518), (2613, 49300), (2652, 48575), (2900, 44421), (2958, 43550), (3315, 38860), (3350, 38454), (3417, 37700), (3484, 36975), (3770, 34170), (3886, 33150), (3900, 33031), (4020, 32045), (4350, 29614), (4355, 29580), (4420, 29145), (4524, 28475), (4556, 28275), (4930, 26130), (5025, 25636), (5100, 25259), (5226, 24650), (5525, 23316), (5655, 22780), (5695, 22620), (5829, 22100), (5916, 21775), (6409, 20100), (6630, 19430), (6700, 19227), (6834, 18850), (7395, 17420), (7540, 17085), (7772, 16575), (8700, 14807), (8710, 14790), (9425, 13668), (9715, 13260), (9860, 13065), (10050, 12818), (10452, 12325), (11050, 11658), (11310, 11390)]