28327440

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{131}}^1$

素因数の和:217

約数の個数: 160

約数和(自身を含む): 95458176

約数和(自身を除く): 67130736

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 20, 24, 30, 34, 40, 48, 51, 53, 60, 68, 80, 85, 102, 106, 120, 131, 136, 159, 170, 204, 212, 240, 255, 262, 265, 272, 318, 340, 393, 408, 424, 510, 524, 530, 636, 655, 680, 786, 795, 816, 848, 901, 1020, 1048, 1060, 1272, 1310, 1360, 1572, 1590, 1802, 1965, 2040, 2096, 2120, 2227, 2544, 2620, 2703, 3144, 3180, 3604, 3930, 4080, 4240, 4454, 4505, 5240, 5406, 6288, 6360, 6681, 6943, 7208, 7860, 8908, 9010, 10480, 10812, 11135, 12720, 13362, 13515, 13886, 14416, 15720, 17816, 18020, 20829, 21624, 22270, 26724, 27030, 27772, 31440, 33405, 34715, 35632, 36040, 41658, 43248, 44540, 53448, 54060, 55544, 66810, 69430, 72080, 83316, 89080, 104145, 106896, 108120, 111088, 118031, 133620, 138860, 166632, 178160, 208290, 216240, 236062, 267240, 277720, 333264, 354093, 416580, 472124, 534480, 555440, 590155, 708186, 833160, 944248, 1180310, 1416372, 1666320, 1770465, 1888496, 2360620, 2832744, 3540930, 4721240, 5665488, 7081860, 9442480, 14163720, 28327440]

約数ペア:

[(1, 28327440), (2, 14163720), (3, 9442480), (4, 7081860), (5, 5665488), (6, 4721240), (8, 3540930), (10, 2832744), (12, 2360620), (15, 1888496), (16, 1770465), (17, 1666320), (20, 1416372), (24, 1180310), (30, 944248), (34, 833160), (40, 708186), (48, 590155), (51, 555440), (53, 534480), (60, 472124), (68, 416580), (80, 354093), (85, 333264), (102, 277720), (106, 267240), (120, 236062), (131, 216240), (136, 208290), (159, 178160), (170, 166632), (204, 138860), (212, 133620), (240, 118031), (255, 111088), (262, 108120), (265, 106896), (272, 104145), (318, 89080), (340, 83316), (393, 72080), (408, 69430), (424, 66810), (510, 55544), (524, 54060), (530, 53448), (636, 44540), (655, 43248), (680, 41658), (786, 36040), (795, 35632), (816, 34715), (848, 33405), (901, 31440), (1020, 27772), (1048, 27030), (1060, 26724), (1272, 22270), (1310, 21624), (1360, 20829), (1572, 18020), (1590, 17816), (1802, 15720), (1965, 14416), (2040, 13886), (2096, 13515), (2120, 13362), (2227, 12720), (2544, 11135), (2620, 10812), (2703, 10480), (3144, 9010), (3180, 8908), (3604, 7860), (3930, 7208), (4080, 6943), (4240, 6681), (4454, 6360), (4505, 6288), (5240, 5406)]