71223240

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{683}}^1$

素因数の和:787

約数の個数: 128

約数和(自身を含む): 236390400

約数和(自身を除く): 165167160

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 20, 22, 24, 30, 33, 40, 44, 55, 60, 66, 79, 88, 110, 120, 132, 158, 165, 220, 237, 264, 316, 330, 395, 440, 474, 632, 660, 683, 790, 869, 948, 1185, 1320, 1366, 1580, 1738, 1896, 2049, 2370, 2607, 2732, 3160, 3415, 3476, 4098, 4345, 4740, 5214, 5464, 6830, 6952, 7513, 8196, 8690, 9480, 10245, 10428, 13035, 13660, 15026, 16392, 17380, 20490, 20856, 22539, 26070, 27320, 30052, 34760, 37565, 40980, 45078, 52140, 53957, 60104, 75130, 81960, 90156, 104280, 107914, 112695, 150260, 161871, 180312, 215828, 225390, 269785, 300520, 323742, 431656, 450780, 539570, 593527, 647484, 809355, 901560, 1079140, 1187054, 1294968, 1618710, 1780581, 2158280, 2374108, 2967635, 3237420, 3561162, 4748216, 5935270, 6474840, 7122324, 8902905, 11870540, 14244648, 17805810, 23741080, 35611620, 71223240]

約数ペア:

[(1, 71223240), (2, 35611620), (3, 23741080), (4, 17805810), (5, 14244648), (6, 11870540), (8, 8902905), (10, 7122324), (11, 6474840), (12, 5935270), (15, 4748216), (20, 3561162), (22, 3237420), (24, 2967635), (30, 2374108), (33, 2158280), (40, 1780581), (44, 1618710), (55, 1294968), (60, 1187054), (66, 1079140), (79, 901560), (88, 809355), (110, 647484), (120, 593527), (132, 539570), (158, 450780), (165, 431656), (220, 323742), (237, 300520), (264, 269785), (316, 225390), (330, 215828), (395, 180312), (440, 161871), (474, 150260), (632, 112695), (660, 107914), (683, 104280), (790, 90156), (869, 81960), (948, 75130), (1185, 60104), (1320, 53957), (1366, 52140), (1580, 45078), (1738, 40980), (1896, 37565), (2049, 34760), (2370, 30052), (2607, 27320), (2732, 26070), (3160, 22539), (3415, 20856), (3476, 20490), (4098, 17380), (4345, 16392), (4740, 15026), (5214, 13660), (5464, 13035), (6830, 10428), (6952, 10245), (7513, 9480), (8196, 8690)]