208628280

素因数分解:

$2^3\times 3^2\times 5^1\times 7^2\times {\mathrm{11827}}^1$

素因数の和:11858

約数の個数: 144

約数和(自身を含む): 788809320

約数和(自身を除く): 580181040

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 49, 56, 60, 63, 70, 72, 84, 90, 98, 105, 120, 126, 140, 147, 168, 180, 196, 210, 245, 252, 280, 294, 315, 360, 392, 420, 441, 490, 504, 588, 630, 735, 840, 882, 980, 1176, 1260, 1470, 1764, 1960, 2205, 2520, 2940, 3528, 4410, 5880, 8820, 11827, 17640, 23654, 35481, 47308, 59135, 70962, 82789, 94616, 106443, 118270, 141924, 165578, 177405, 212886, 236540, 248367, 283848, 331156, 354810, 413945, 425772, 473080, 496734, 532215, 579523, 662312, 709620, 745101, 827890, 851544, 993468, 1064430, 1159046, 1241835, 1419240, 1490202, 1655780, 1738569, 1986936, 2128860, 2318092, 2483670, 2897615, 2980404, 3311560, 3477138, 3725505, 4257720, 4636184, 4967340, 5215707, 5795230, 5960808, 6954276, 7451010, 8692845, 9934680, 10431414, 11590460, 13908552, 14902020, 17385690, 20862828, 23180920, 26078535, 29804040, 34771380, 41725656, 52157070, 69542760, 104314140, 208628280]

約数ペア:

[(1, 208628280), (2, 104314140), (3, 69542760), (4, 52157070), (5, 41725656), (6, 34771380), (7, 29804040), (8, 26078535), (9, 23180920), (10, 20862828), (12, 17385690), (14, 14902020), (15, 13908552), (18, 11590460), (20, 10431414), (21, 9934680), (24, 8692845), (28, 7451010), (30, 6954276), (35, 5960808), (36, 5795230), (40, 5215707), (42, 4967340), (45, 4636184), (49, 4257720), (56, 3725505), (60, 3477138), (63, 3311560), (70, 2980404), (72, 2897615), (84, 2483670), (90, 2318092), (98, 2128860), (105, 1986936), (120, 1738569), (126, 1655780), (140, 1490202), (147, 1419240), (168, 1241835), (180, 1159046), (196, 1064430), (210, 993468), (245, 851544), (252, 827890), (280, 745101), (294, 709620), (315, 662312), (360, 579523), (392, 532215), (420, 496734), (441, 473080), (490, 425772), (504, 413945), (588, 354810), (630, 331156), (735, 283848), (840, 248367), (882, 236540), (980, 212886), (1176, 177405), (1260, 165578), (1470, 141924), (1764, 118270), (1960, 106443), (2205, 94616), (2520, 82789), (2940, 70962), (3528, 59135), (4410, 47308), (5880, 35481), (8820, 23654), (11827, 17640)]