1289449980

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{78721}}^1$

素因数の和:78756

約数の個数: 144

約数和(自身を含む): 4814007744

約数和(自身を除く): 3524557764

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 13, 14, 15, 18, 20, 21, 26, 28, 30, 35, 36, 39, 42, 45, 52, 60, 63, 65, 70, 78, 84, 90, 91, 105, 117, 126, 130, 140, 156, 180, 182, 195, 210, 234, 252, 260, 273, 315, 364, 390, 420, 455, 468, 546, 585, 630, 780, 819, 910, 1092, 1170, 1260, 1365, 1638, 1820, 2340, 2730, 3276, 4095, 5460, 8190, 16380, 78721, 157442, 236163, 314884, 393605, 472326, 551047, 708489, 787210, 944652, 1023373, 1102094, 1180815, 1416978, 1574420, 1653141, 2046746, 2204188, 2361630, 2755235, 2833956, 3070119, 3306282, 3542445, 4093492, 4723260, 4959423, 5116865, 5510470, 6140238, 6612564, 7084890, 7163611, 8265705, 9210357, 9918846, 10233730, 11020940, 12280476, 14169780, 14327222, 15350595, 16531410, 18420714, 19837692, 20467460, 21490833, 24797115, 28654444, 30701190, 33062820, 35818055, 36841428, 42981666, 46051785, 49594230, 61402380, 64472499, 71636110, 85963332, 92103570, 99188460, 107454165, 128944998, 143272220, 184207140, 214908330, 257889996, 322362495, 429816660, 644724990, 1289449980]

約数ペア:

[(1, 1289449980), (2, 644724990), (3, 429816660), (4, 322362495), (5, 257889996), (6, 214908330), (7, 184207140), (9, 143272220), (10, 128944998), (12, 107454165), (13, 99188460), (14, 92103570), (15, 85963332), (18, 71636110), (20, 64472499), (21, 61402380), (26, 49594230), (28, 46051785), (30, 42981666), (35, 36841428), (36, 35818055), (39, 33062820), (42, 30701190), (45, 28654444), (52, 24797115), (60, 21490833), (63, 20467460), (65, 19837692), (70, 18420714), (78, 16531410), (84, 15350595), (90, 14327222), (91, 14169780), (105, 12280476), (117, 11020940), (126, 10233730), (130, 9918846), (140, 9210357), (156, 8265705), (180, 7163611), (182, 7084890), (195, 6612564), (210, 6140238), (234, 5510470), (252, 5116865), (260, 4959423), (273, 4723260), (315, 4093492), (364, 3542445), (390, 3306282), (420, 3070119), (455, 2833956), (468, 2755235), (546, 2361630), (585, 2204188), (630, 2046746), (780, 1653141), (819, 1574420), (910, 1416978), (1092, 1180815), (1170, 1102094), (1260, 1023373), (1365, 944652), (1638, 787210), (1820, 708489), (2340, 551047), (2730, 472326), (3276, 393605), (4095, 314884), (5460, 236163), (8190, 157442), (16380, 78721)]