30811680

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{21397}}^1$

素因数の和:21418

約数の個数: 72

約数和(自身を含む): 105149772

約数和(自身を除く): 74338092

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 72, 80, 90, 96, 120, 144, 160, 180, 240, 288, 360, 480, 720, 1440, 21397, 42794, 64191, 85588, 106985, 128382, 171176, 192573, 213970, 256764, 320955, 342352, 385146, 427940, 513528, 641910, 684704, 770292, 855880, 962865, 1027056, 1283820, 1540584, 1711760, 1925730, 2054112, 2567640, 3081168, 3423520, 3851460, 5135280, 6162336, 7702920, 10270560, 15405840, 30811680]

約数ペア:

[(1, 30811680), (2, 15405840), (3, 10270560), (4, 7702920), (5, 6162336), (6, 5135280), (8, 3851460), (9, 3423520), (10, 3081168), (12, 2567640), (15, 2054112), (16, 1925730), (18, 1711760), (20, 1540584), (24, 1283820), (30, 1027056), (32, 962865), (36, 855880), (40, 770292), (45, 684704), (48, 641910), (60, 513528), (72, 427940), (80, 385146), (90, 342352), (96, 320955), (120, 256764), (144, 213970), (160, 192573), (180, 171176), (240, 128382), (288, 106985), (360, 85588), (480, 64191), (720, 42794), (1440, 21397)]