1801360

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1$

素因数の和:136

約数の個数: 80

約数和(自身を含む): 4821120

約数和(自身を除く): 3019760

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 23, 40, 44, 46, 55, 80, 88, 89, 92, 110, 115, 176, 178, 184, 220, 230, 253, 356, 368, 440, 445, 460, 506, 712, 880, 890, 920, 979, 1012, 1265, 1424, 1780, 1840, 1958, 2024, 2047, 2530, 3560, 3916, 4048, 4094, 4895, 5060, 7120, 7832, 8188, 9790, 10120, 10235, 15664, 16376, 19580, 20240, 20470, 22517, 32752, 39160, 40940, 45034, 78320, 81880, 90068, 112585, 163760, 180136, 225170, 360272, 450340, 900680, 1801360]

約数ペア:

[(1, 1801360), (2, 900680), (4, 450340), (5, 360272), (8, 225170), (10, 180136), (11, 163760), (16, 112585), (20, 90068), (22, 81880), (23, 78320), (40, 45034), (44, 40940), (46, 39160), (55, 32752), (80, 22517), (88, 20470), (89, 20240), (92, 19580), (110, 16376), (115, 15664), (176, 10235), (178, 10120), (184, 9790), (220, 8188), (230, 7832), (253, 7120), (356, 5060), (368, 4895), (440, 4094), (445, 4048), (460, 3916), (506, 3560), (712, 2530), (880, 2047), (890, 2024), (920, 1958), (979, 1840), (1012, 1780), (1265, 1424)]