84280980

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{109}}^1\times {\mathrm{263}}^1$

素因数の和:398

約数の個数: 144

約数和(自身を含む): 278087040

約数和(自身を除く): 193806060

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 98, 105, 109, 140, 147, 196, 210, 218, 245, 263, 294, 327, 420, 436, 490, 526, 545, 588, 654, 735, 763, 789, 980, 1052, 1090, 1308, 1315, 1470, 1526, 1578, 1635, 1841, 2180, 2289, 2630, 2940, 3052, 3156, 3270, 3682, 3815, 3945, 4578, 5260, 5341, 5523, 6540, 7364, 7630, 7890, 9156, 9205, 10682, 11046, 11445, 12887, 15260, 15780, 16023, 18410, 21364, 22092, 22890, 25774, 26705, 27615, 28667, 32046, 36820, 38661, 45780, 51548, 53410, 55230, 57334, 64092, 64435, 77322, 80115, 86001, 106820, 110460, 114668, 128870, 143335, 154644, 160230, 172002, 193305, 200669, 257740, 286670, 320460, 344004, 386610, 401338, 430005, 573340, 602007, 773220, 802676, 860010, 1003345, 1204014, 1404683, 1720020, 2006690, 2408028, 2809366, 3010035, 4013380, 4214049, 5618732, 6020070, 7023415, 8428098, 12040140, 14046830, 16856196, 21070245, 28093660, 42140490, 84280980]

約数ペア:

[(1, 84280980), (2, 42140490), (3, 28093660), (4, 21070245), (5, 16856196), (6, 14046830), (7, 12040140), (10, 8428098), (12, 7023415), (14, 6020070), (15, 5618732), (20, 4214049), (21, 4013380), (28, 3010035), (30, 2809366), (35, 2408028), (42, 2006690), (49, 1720020), (60, 1404683), (70, 1204014), (84, 1003345), (98, 860010), (105, 802676), (109, 773220), (140, 602007), (147, 573340), (196, 430005), (210, 401338), (218, 386610), (245, 344004), (263, 320460), (294, 286670), (327, 257740), (420, 200669), (436, 193305), (490, 172002), (526, 160230), (545, 154644), (588, 143335), (654, 128870), (735, 114668), (763, 110460), (789, 106820), (980, 86001), (1052, 80115), (1090, 77322), (1308, 64435), (1315, 64092), (1470, 57334), (1526, 55230), (1578, 53410), (1635, 51548), (1841, 45780), (2180, 38661), (2289, 36820), (2630, 32046), (2940, 28667), (3052, 27615), (3156, 26705), (3270, 25774), (3682, 22890), (3815, 22092), (3945, 21364), (4578, 18410), (5260, 16023), (5341, 15780), (5523, 15260), (6540, 12887), (7364, 11445), (7630, 11046), (7890, 10682), (9156, 9205)]