28123440

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{113}}^1$

素因数の和:207

約数の個数: 160

約数和(自身を含む): 94654656

約数和(自身を除く): 66531216

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 20, 24, 30, 34, 40, 48, 51, 60, 61, 68, 80, 85, 102, 113, 120, 122, 136, 170, 183, 204, 226, 240, 244, 255, 272, 305, 339, 340, 366, 408, 452, 488, 510, 565, 610, 678, 680, 732, 816, 904, 915, 976, 1020, 1037, 1130, 1220, 1356, 1360, 1464, 1695, 1808, 1830, 1921, 2040, 2074, 2260, 2440, 2712, 2928, 3111, 3390, 3660, 3842, 4080, 4148, 4520, 4880, 5185, 5424, 5763, 6222, 6780, 6893, 7320, 7684, 8296, 9040, 9605, 10370, 11526, 12444, 13560, 13786, 14640, 15368, 15555, 16592, 19210, 20679, 20740, 23052, 24888, 27120, 27572, 28815, 30736, 31110, 34465, 38420, 41358, 41480, 46104, 49776, 55144, 57630, 62220, 68930, 76840, 82716, 82960, 92208, 103395, 110288, 115260, 117181, 124440, 137860, 153680, 165432, 206790, 230520, 234362, 248880, 275720, 330864, 351543, 413580, 461040, 468724, 551440, 585905, 703086, 827160, 937448, 1171810, 1406172, 1654320, 1757715, 1874896, 2343620, 2812344, 3515430, 4687240, 5624688, 7030860, 9374480, 14061720, 28123440]

約数ペア:

[(1, 28123440), (2, 14061720), (3, 9374480), (4, 7030860), (5, 5624688), (6, 4687240), (8, 3515430), (10, 2812344), (12, 2343620), (15, 1874896), (16, 1757715), (17, 1654320), (20, 1406172), (24, 1171810), (30, 937448), (34, 827160), (40, 703086), (48, 585905), (51, 551440), (60, 468724), (61, 461040), (68, 413580), (80, 351543), (85, 330864), (102, 275720), (113, 248880), (120, 234362), (122, 230520), (136, 206790), (170, 165432), (183, 153680), (204, 137860), (226, 124440), (240, 117181), (244, 115260), (255, 110288), (272, 103395), (305, 92208), (339, 82960), (340, 82716), (366, 76840), (408, 68930), (452, 62220), (488, 57630), (510, 55144), (565, 49776), (610, 46104), (678, 41480), (680, 41358), (732, 38420), (816, 34465), (904, 31110), (915, 30736), (976, 28815), (1020, 27572), (1037, 27120), (1130, 24888), (1220, 23052), (1356, 20740), (1360, 20679), (1464, 19210), (1695, 16592), (1808, 15555), (1830, 15368), (1921, 14640), (2040, 13786), (2074, 13560), (2260, 12444), (2440, 11526), (2712, 10370), (2928, 9605), (3111, 9040), (3390, 8296), (3660, 7684), (3842, 7320), (4080, 6893), (4148, 6780), (4520, 6222), (4880, 5763), (5185, 5424)]