204967980

素因数分解:

$2^2\times 3^2\times 5^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{1367}}^1$

素因数の和:1413

約数の個数: 216

約数和(自身を含む): 766348128

約数和(自身を除く): 561380148

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 17, 18, 20, 21, 28, 30, 34, 35, 36, 42, 45, 49, 51, 60, 63, 68, 70, 84, 85, 90, 98, 102, 105, 119, 126, 140, 147, 153, 170, 180, 196, 204, 210, 238, 245, 252, 255, 294, 306, 315, 340, 357, 420, 441, 476, 490, 510, 588, 595, 612, 630, 714, 735, 765, 833, 882, 980, 1020, 1071, 1190, 1260, 1367, 1428, 1470, 1530, 1666, 1764, 1785, 2142, 2205, 2380, 2499, 2734, 2940, 3060, 3332, 3570, 4101, 4165, 4284, 4410, 4998, 5355, 5468, 6835, 7140, 7497, 8202, 8330, 8820, 9569, 9996, 10710, 12303, 12495, 13670, 14994, 16404, 16660, 19138, 20505, 21420, 23239, 24606, 24990, 27340, 28707, 29988, 37485, 38276, 41010, 46478, 47845, 49212, 49980, 57414, 61515, 66983, 69717, 74970, 82020, 86121, 92956, 95690, 114828, 116195, 123030, 133966, 139434, 143535, 149940, 162673, 172242, 191380, 200949, 209151, 232390, 246060, 267932, 278868, 287070, 325346, 334915, 344484, 348585, 401898, 418302, 430605, 464780, 488019, 574140, 602847, 650692, 669830, 697170, 803796, 813365, 836604, 861210, 976038, 1004745, 1045755, 1138711, 1205694, 1339660, 1394340, 1464057, 1626730, 1722420, 1952076, 2009490, 2091510, 2277422, 2411388, 2440095, 2928114, 3014235, 3253460, 3416133, 4018980, 4183020, 4554844, 4880190, 5693555, 5856228, 6028470, 6832266, 7320285, 9760380, 10248399, 11387110, 12056940, 13664532, 14640570, 17080665, 20496798, 22774220, 29281140, 34161330, 40993596, 51241995, 68322660, 102483990, 204967980]

約数ペア:

[(1, 204967980), (2, 102483990), (3, 68322660), (4, 51241995), (5, 40993596), (6, 34161330), (7, 29281140), (9, 22774220), (10, 20496798), (12, 17080665), (14, 14640570), (15, 13664532), (17, 12056940), (18, 11387110), (20, 10248399), (21, 9760380), (28, 7320285), (30, 6832266), (34, 6028470), (35, 5856228), (36, 5693555), (42, 4880190), (45, 4554844), (49, 4183020), (51, 4018980), (60, 3416133), (63, 3253460), (68, 3014235), (70, 2928114), (84, 2440095), (85, 2411388), (90, 2277422), (98, 2091510), (102, 2009490), (105, 1952076), (119, 1722420), (126, 1626730), (140, 1464057), (147, 1394340), (153, 1339660), (170, 1205694), (180, 1138711), (196, 1045755), (204, 1004745), (210, 976038), (238, 861210), (245, 836604), (252, 813365), (255, 803796), (294, 697170), (306, 669830), (315, 650692), (340, 602847), (357, 574140), (420, 488019), (441, 464780), (476, 430605), (490, 418302), (510, 401898), (588, 348585), (595, 344484), (612, 334915), (630, 325346), (714, 287070), (735, 278868), (765, 267932), (833, 246060), (882, 232390), (980, 209151), (1020, 200949), (1071, 191380), (1190, 172242), (1260, 162673), (1367, 149940), (1428, 143535), (1470, 139434), (1530, 133966), (1666, 123030), (1764, 116195), (1785, 114828), (2142, 95690), (2205, 92956), (2380, 86121), (2499, 82020), (2734, 74970), (2940, 69717), (3060, 66983), (3332, 61515), (3570, 57414), (4101, 49980), (4165, 49212), (4284, 47845), (4410, 46478), (4998, 41010), (5355, 38276), (5468, 37485), (6835, 29988), (7140, 28707), (7497, 27340), (8202, 24990), (8330, 24606), (8820, 23239), (9569, 21420), (9996, 20505), (10710, 19138), (12303, 16660), (12495, 16404), (13670, 14994)]