21719520

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{15083}}^1$

素因数の和:15104

約数の個数: 72

約数和(自身を含む): 74122776

約数和(自身を除く): 52403256

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, 15083, 30166, 45249, 60332, 75415, 90498, 120664, 135747, 150830, 180996, 226245, 241328, 271494, 301660, 361992, 452490, 482656, 542988, 603320, 678735, 723984, 904980, 1085976, 1206640, 1357470, 1447968, 1809960, 2171952, 2413280, 2714940, 3619920, 4343904, 5429880, 7239840, 10859760, 21719520]

約数ペア:

[(1, 21719520), (2, 10859760), (3, 7239840), (4, 5429880), (5, 4343904), (6, 3619920), (8, 2714940), (9, 2413280), (10, 2171952), (12, 1809960), (15, 1447968), (16, 1357470), (18, 1206640), (20, 1085976), (24, 904980), (30, 723984), (32, 678735), (36, 603320), (40, 542988), (45, 482656), (48, 452490), (60, 361992), (72, 301660), (80, 271494), (90, 241328), (96, 226245), (120, 180996), (144, 150830), (160, 135747), (180, 120664), (240, 90498), (288, 75415), (360, 60332), (480, 45249), (720, 30166), (1440, 15083)]