28383720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{211}}^1$

素因数の和:303

約数の個数: 128

約数和(自身を含む): 91584000

約数和(自身を除く): 63200280

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 19, 20, 24, 30, 38, 40, 57, 59, 60, 76, 95, 114, 118, 120, 152, 177, 190, 211, 228, 236, 285, 295, 354, 380, 422, 456, 472, 570, 590, 633, 708, 760, 844, 885, 1055, 1121, 1140, 1180, 1266, 1416, 1688, 1770, 2110, 2242, 2280, 2360, 2532, 3165, 3363, 3540, 4009, 4220, 4484, 5064, 5605, 6330, 6726, 7080, 8018, 8440, 8968, 11210, 12027, 12449, 12660, 13452, 16036, 16815, 20045, 22420, 24054, 24898, 25320, 26904, 32072, 33630, 37347, 40090, 44840, 48108, 49796, 60135, 62245, 67260, 74694, 80180, 96216, 99592, 120270, 124490, 134520, 149388, 160360, 186735, 236531, 240540, 248980, 298776, 373470, 473062, 481080, 497960, 709593, 746940, 946124, 1182655, 1419186, 1493880, 1892248, 2365310, 2838372, 3547965, 4730620, 5676744, 7095930, 9461240, 14191860, 28383720]

約数ペア:

[(1, 28383720), (2, 14191860), (3, 9461240), (4, 7095930), (5, 5676744), (6, 4730620), (8, 3547965), (10, 2838372), (12, 2365310), (15, 1892248), (19, 1493880), (20, 1419186), (24, 1182655), (30, 946124), (38, 746940), (40, 709593), (57, 497960), (59, 481080), (60, 473062), (76, 373470), (95, 298776), (114, 248980), (118, 240540), (120, 236531), (152, 186735), (177, 160360), (190, 149388), (211, 134520), (228, 124490), (236, 120270), (285, 99592), (295, 96216), (354, 80180), (380, 74694), (422, 67260), (456, 62245), (472, 60135), (570, 49796), (590, 48108), (633, 44840), (708, 40090), (760, 37347), (844, 33630), (885, 32072), (1055, 26904), (1121, 25320), (1140, 24898), (1180, 24054), (1266, 22420), (1416, 20045), (1688, 16815), (1770, 16036), (2110, 13452), (2242, 12660), (2280, 12449), (2360, 12027), (2532, 11210), (3165, 8968), (3363, 8440), (3540, 8018), (4009, 7080), (4220, 6726), (4484, 6330), (5064, 5605)]