28831440

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{163}}^1$

素因数の和:257

約数の個数: 160

約数和(自身を含む): 99565056

約数和(自身を除く): 70733616

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 30, 33, 40, 44, 48, 55, 60, 66, 67, 80, 88, 110, 120, 132, 134, 163, 165, 176, 201, 220, 240, 264, 268, 326, 330, 335, 402, 440, 489, 528, 536, 652, 660, 670, 737, 804, 815, 880, 978, 1005, 1072, 1304, 1320, 1340, 1474, 1608, 1630, 1793, 1956, 2010, 2211, 2445, 2608, 2640, 2680, 2948, 3216, 3260, 3586, 3685, 3912, 4020, 4422, 4890, 5360, 5379, 5896, 6520, 7172, 7370, 7824, 8040, 8844, 8965, 9780, 10758, 10921, 11055, 11792, 13040, 14344, 14740, 16080, 17688, 17930, 19560, 21516, 21842, 22110, 26895, 28688, 29480, 32763, 35376, 35860, 39120, 43032, 43684, 44220, 53790, 54605, 58960, 65526, 71720, 86064, 87368, 88440, 107580, 109210, 120131, 131052, 143440, 163815, 174736, 176880, 215160, 218420, 240262, 262104, 327630, 360393, 430320, 436840, 480524, 524208, 600655, 655260, 720786, 873680, 961048, 1201310, 1310520, 1441572, 1801965, 1922096, 2402620, 2621040, 2883144, 3603930, 4805240, 5766288, 7207860, 9610480, 14415720, 28831440]

約数ペア:

[(1, 28831440), (2, 14415720), (3, 9610480), (4, 7207860), (5, 5766288), (6, 4805240), (8, 3603930), (10, 2883144), (11, 2621040), (12, 2402620), (15, 1922096), (16, 1801965), (20, 1441572), (22, 1310520), (24, 1201310), (30, 961048), (33, 873680), (40, 720786), (44, 655260), (48, 600655), (55, 524208), (60, 480524), (66, 436840), (67, 430320), (80, 360393), (88, 327630), (110, 262104), (120, 240262), (132, 218420), (134, 215160), (163, 176880), (165, 174736), (176, 163815), (201, 143440), (220, 131052), (240, 120131), (264, 109210), (268, 107580), (326, 88440), (330, 87368), (335, 86064), (402, 71720), (440, 65526), (489, 58960), (528, 54605), (536, 53790), (652, 44220), (660, 43684), (670, 43032), (737, 39120), (804, 35860), (815, 35376), (880, 32763), (978, 29480), (1005, 28688), (1072, 26895), (1304, 22110), (1320, 21842), (1340, 21516), (1474, 19560), (1608, 17930), (1630, 17688), (1793, 16080), (1956, 14740), (2010, 14344), (2211, 13040), (2445, 11792), (2608, 11055), (2640, 10921), (2680, 10758), (2948, 9780), (3216, 8965), (3260, 8844), (3586, 8040), (3685, 7824), (3912, 7370), (4020, 7172), (4422, 6520), (4890, 5896), (5360, 5379)]