164787280

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{73}}^1\times {\mathrm{139}}^1$

素因数の和:261

約数の個数: 160

約数和(自身を含む): 462470400

約数和(自身を除く): 297683120

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 29, 35, 40, 56, 58, 70, 73, 80, 112, 116, 139, 140, 145, 146, 203, 232, 278, 280, 290, 292, 365, 406, 464, 511, 556, 560, 580, 584, 695, 730, 812, 973, 1015, 1022, 1112, 1160, 1168, 1390, 1460, 1624, 1946, 2030, 2044, 2117, 2224, 2320, 2555, 2780, 2920, 3248, 3892, 4031, 4060, 4088, 4234, 4865, 5110, 5560, 5840, 7784, 8062, 8120, 8176, 8468, 9730, 10147, 10220, 10585, 11120, 14819, 15568, 16124, 16240, 16936, 19460, 20155, 20294, 20440, 21170, 28217, 29638, 32248, 33872, 38920, 40310, 40588, 40880, 42340, 50735, 56434, 59276, 64496, 71029, 74095, 77840, 80620, 81176, 84680, 101470, 112868, 118552, 141085, 142058, 148190, 161240, 162352, 169360, 202940, 225736, 237104, 282170, 284116, 294263, 296380, 322480, 355145, 405880, 451472, 564340, 568232, 588526, 592760, 710290, 811760, 1128680, 1136464, 1177052, 1185520, 1420580, 1471315, 2059841, 2257360, 2354104, 2841160, 2942630, 4119682, 4708208, 5682320, 5885260, 8239364, 10299205, 11770520, 16478728, 20598410, 23541040, 32957456, 41196820, 82393640, 164787280]

約数ペア:

[(1, 164787280), (2, 82393640), (4, 41196820), (5, 32957456), (7, 23541040), (8, 20598410), (10, 16478728), (14, 11770520), (16, 10299205), (20, 8239364), (28, 5885260), (29, 5682320), (35, 4708208), (40, 4119682), (56, 2942630), (58, 2841160), (70, 2354104), (73, 2257360), (80, 2059841), (112, 1471315), (116, 1420580), (139, 1185520), (140, 1177052), (145, 1136464), (146, 1128680), (203, 811760), (232, 710290), (278, 592760), (280, 588526), (290, 568232), (292, 564340), (365, 451472), (406, 405880), (464, 355145), (511, 322480), (556, 296380), (560, 294263), (580, 284116), (584, 282170), (695, 237104), (730, 225736), (812, 202940), (973, 169360), (1015, 162352), (1022, 161240), (1112, 148190), (1160, 142058), (1168, 141085), (1390, 118552), (1460, 112868), (1624, 101470), (1946, 84680), (2030, 81176), (2044, 80620), (2117, 77840), (2224, 74095), (2320, 71029), (2555, 64496), (2780, 59276), (2920, 56434), (3248, 50735), (3892, 42340), (4031, 40880), (4060, 40588), (4088, 40310), (4234, 38920), (4865, 33872), (5110, 32248), (5560, 29638), (5840, 28217), (7784, 21170), (8062, 20440), (8120, 20294), (8176, 20155), (8468, 19460), (9730, 16936), (10147, 16240), (10220, 16124), (10585, 15568), (11120, 14819)]