164678220

素因数分解:

$2^2\times 3^2\times 5^1\times 7^2\times {\mathrm{18671}}^1$

素因数の和:18700

約数の個数: 108

約数和(自身を含む): 581109984

約数和(自身を除く): 416431764

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 49, 60, 63, 70, 84, 90, 98, 105, 126, 140, 147, 180, 196, 210, 245, 252, 294, 315, 420, 441, 490, 588, 630, 735, 882, 980, 1260, 1470, 1764, 2205, 2940, 4410, 8820, 18671, 37342, 56013, 74684, 93355, 112026, 130697, 168039, 186710, 224052, 261394, 280065, 336078, 373420, 392091, 522788, 560130, 653485, 672156, 784182, 840195, 914879, 1120260, 1176273, 1306970, 1568364, 1680390, 1829758, 1960455, 2352546, 2613940, 2744637, 3360780, 3659516, 3920910, 4574395, 4705092, 5489274, 5881365, 7841820, 8233911, 9148790, 10978548, 11762730, 13723185, 16467822, 18297580, 23525460, 27446370, 32935644, 41169555, 54892740, 82339110, 164678220]

約数ペア:

[(1, 164678220), (2, 82339110), (3, 54892740), (4, 41169555), (5, 32935644), (6, 27446370), (7, 23525460), (9, 18297580), (10, 16467822), (12, 13723185), (14, 11762730), (15, 10978548), (18, 9148790), (20, 8233911), (21, 7841820), (28, 5881365), (30, 5489274), (35, 4705092), (36, 4574395), (42, 3920910), (45, 3659516), (49, 3360780), (60, 2744637), (63, 2613940), (70, 2352546), (84, 1960455), (90, 1829758), (98, 1680390), (105, 1568364), (126, 1306970), (140, 1176273), (147, 1120260), (180, 914879), (196, 840195), (210, 784182), (245, 672156), (252, 653485), (294, 560130), (315, 522788), (420, 392091), (441, 373420), (490, 336078), (588, 280065), (630, 261394), (735, 224052), (882, 186710), (980, 168039), (1260, 130697), (1470, 112026), (1764, 93355), (2205, 74684), (2940, 56013), (4410, 37342), (8820, 18671)]