30172780

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{89}}^1$

素因数の和:199

約数の個数: 96

約数和(自身を含む): 74027520

約数和(自身を除く): 43854740

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 23, 44, 46, 55, 67, 89, 92, 110, 115, 134, 178, 220, 230, 253, 268, 335, 356, 445, 460, 506, 670, 737, 890, 979, 1012, 1265, 1340, 1474, 1541, 1780, 1958, 2047, 2530, 2948, 3082, 3685, 3916, 4094, 4895, 5060, 5963, 6164, 7370, 7705, 8188, 9790, 10235, 11926, 14740, 15410, 16951, 19580, 20470, 22517, 23852, 29815, 30820, 33902, 40940, 45034, 59630, 65593, 67804, 84755, 90068, 112585, 119260, 131186, 137149, 169510, 225170, 262372, 274298, 327965, 339020, 450340, 548596, 655930, 685745, 1311860, 1371490, 1508639, 2742980, 3017278, 6034556, 7543195, 15086390, 30172780]

約数ペア:

[(1, 30172780), (2, 15086390), (4, 7543195), (5, 6034556), (10, 3017278), (11, 2742980), (20, 1508639), (22, 1371490), (23, 1311860), (44, 685745), (46, 655930), (55, 548596), (67, 450340), (89, 339020), (92, 327965), (110, 274298), (115, 262372), (134, 225170), (178, 169510), (220, 137149), (230, 131186), (253, 119260), (268, 112585), (335, 90068), (356, 84755), (445, 67804), (460, 65593), (506, 59630), (670, 45034), (737, 40940), (890, 33902), (979, 30820), (1012, 29815), (1265, 23852), (1340, 22517), (1474, 20470), (1541, 19580), (1780, 16951), (1958, 15410), (2047, 14740), (2530, 11926), (2948, 10235), (3082, 9790), (3685, 8188), (3916, 7705), (4094, 7370), (4895, 6164), (5060, 5963)]