49311180

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{61}}^1\times {\mathrm{499}}^1$

素因数の和:581

約数の個数: 120

約数和(自身を含む): 157542000

約数和(自身を除く): 108230820

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 61, 81, 90, 108, 122, 135, 162, 180, 183, 244, 270, 305, 324, 366, 405, 499, 540, 549, 610, 732, 810, 915, 998, 1098, 1220, 1497, 1620, 1647, 1830, 1996, 2196, 2495, 2745, 2994, 3294, 3660, 4491, 4941, 4990, 5490, 5988, 6588, 7485, 8235, 8982, 9882, 9980, 10980, 13473, 14970, 16470, 17964, 19764, 22455, 24705, 26946, 29940, 30439, 32940, 40419, 44910, 49410, 53892, 60878, 67365, 80838, 89820, 91317, 98820, 121756, 134730, 152195, 161676, 182634, 202095, 269460, 273951, 304390, 365268, 404190, 456585, 547902, 608780, 808380, 821853, 913170, 1095804, 1369755, 1643706, 1826340, 2465559, 2739510, 3287412, 4109265, 4931118, 5479020, 8218530, 9862236, 12327795, 16437060, 24655590, 49311180]

約数ペア:

[(1, 49311180), (2, 24655590), (3, 16437060), (4, 12327795), (5, 9862236), (6, 8218530), (9, 5479020), (10, 4931118), (12, 4109265), (15, 3287412), (18, 2739510), (20, 2465559), (27, 1826340), (30, 1643706), (36, 1369755), (45, 1095804), (54, 913170), (60, 821853), (61, 808380), (81, 608780), (90, 547902), (108, 456585), (122, 404190), (135, 365268), (162, 304390), (180, 273951), (183, 269460), (244, 202095), (270, 182634), (305, 161676), (324, 152195), (366, 134730), (405, 121756), (499, 98820), (540, 91317), (549, 89820), (610, 80838), (732, 67365), (810, 60878), (915, 53892), (998, 49410), (1098, 44910), (1220, 40419), (1497, 32940), (1620, 30439), (1647, 29940), (1830, 26946), (1996, 24705), (2196, 22455), (2495, 19764), (2745, 17964), (2994, 16470), (3294, 14970), (3660, 13473), (4491, 10980), (4941, 9980), (4990, 9882), (5490, 8982), (5988, 8235), (6588, 7485)]