30881250

素因数分解:

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

素因数の和:100

約数の個数: 120

約数和(自身を含む): 87908436

約数和(自身を除く): 57027186

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 25, 27, 30, 45, 50, 54, 61, 75, 81, 90, 122, 125, 135, 150, 162, 183, 225, 250, 270, 305, 366, 375, 405, 450, 549, 610, 625, 675, 750, 810, 915, 1098, 1125, 1250, 1350, 1525, 1647, 1830, 1875, 2025, 2250, 2745, 3050, 3125, 3294, 3375, 3750, 4050, 4575, 4941, 5490, 5625, 6250, 6750, 7625, 8235, 9150, 9375, 9882, 10125, 11250, 13725, 15250, 16470, 16875, 18750, 20250, 22875, 24705, 27450, 28125, 33750, 38125, 41175, 45750, 49410, 50625, 56250, 68625, 76250, 82350, 84375, 101250, 114375, 123525, 137250, 168750, 190625, 205875, 228750, 247050, 253125, 343125, 381250, 411750, 506250, 571875, 617625, 686250, 1029375, 1143750, 1235250, 1715625, 2058750, 3088125, 3431250, 5146875, 6176250, 10293750, 15440625, 30881250]

約数ペア:

[(1, 30881250), (2, 15440625), (3, 10293750), (5, 6176250), (6, 5146875), (9, 3431250), (10, 3088125), (15, 2058750), (18, 1715625), (25, 1235250), (27, 1143750), (30, 1029375), (45, 686250), (50, 617625), (54, 571875), (61, 506250), (75, 411750), (81, 381250), (90, 343125), (122, 253125), (125, 247050), (135, 228750), (150, 205875), (162, 190625), (183, 168750), (225, 137250), (250, 123525), (270, 114375), (305, 101250), (366, 84375), (375, 82350), (405, 76250), (450, 68625), (549, 56250), (610, 50625), (625, 49410), (675, 45750), (750, 41175), (810, 38125), (915, 33750), (1098, 28125), (1125, 27450), (1250, 24705), (1350, 22875), (1525, 20250), (1647, 18750), (1830, 16875), (1875, 16470), (2025, 15250), (2250, 13725), (2745, 11250), (3050, 10125), (3125, 9882), (3294, 9375), (3375, 9150), (3750, 8235), (4050, 7625), (4575, 6750), (4941, 6250), (5490, 5625)]