15904980

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{971}}^1$

素因数の和:1006

約数の個数: 144

約数和(自身を含む): 59439744

約数和(自身を除く): 43534764

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, 971, 1092, 1170, 1260, 1365, 1638, 1820, 1942, 2340, 2730, 2913, 3276, 3884, 4095, 4855, 5460, 5826, 6797, 8190, 8739, 9710, 11652, 12623, 13594, 14565, 16380, 17478, 19420, 20391, 25246, 27188, 29130, 33985, 34956, 37869, 40782, 43695, 50492, 58260, 61173, 63115, 67970, 75738, 81564, 87390, 88361, 101955, 113607, 122346, 126230, 135940, 151476, 174780, 176722, 189345, 203910, 227214, 244692, 252460, 265083, 305865, 353444, 378690, 407820, 441805, 454428, 530166, 568035, 611730, 757380, 795249, 883610, 1060332, 1136070, 1223460, 1325415, 1590498, 1767220, 2272140, 2650830, 3180996, 3976245, 5301660, 7952490, 15904980]

約数ペア:

[(1, 15904980), (2, 7952490), (3, 5301660), (4, 3976245), (5, 3180996), (6, 2650830), (7, 2272140), (9, 1767220), (10, 1590498), (12, 1325415), (13, 1223460), (14, 1136070), (15, 1060332), (18, 883610), (20, 795249), (21, 757380), (26, 611730), (28, 568035), (30, 530166), (35, 454428), (36, 441805), (39, 407820), (42, 378690), (45, 353444), (52, 305865), (60, 265083), (63, 252460), (65, 244692), (70, 227214), (78, 203910), (84, 189345), (90, 176722), (91, 174780), (105, 151476), (117, 135940), (126, 126230), (130, 122346), (140, 113607), (156, 101955), (180, 88361), (182, 87390), (195, 81564), (210, 75738), (234, 67970), (252, 63115), (260, 61173), (273, 58260), (315, 50492), (364, 43695), (390, 40782), (420, 37869), (455, 34956), (468, 33985), (546, 29130), (585, 27188), (630, 25246), (780, 20391), (819, 19420), (910, 17478), (971, 16380), (1092, 14565), (1170, 13594), (1260, 12623), (1365, 11652), (1638, 9710), (1820, 8739), (1942, 8190), (2340, 6797), (2730, 5826), (2913, 5460), (3276, 4855), (3884, 4095)]