16691220

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{1019}}^1$

素因数の和:1054

約数の個数: 144

約数和(自身を含む): 62375040

約数和(自身を除く): 45683820

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, 1019, 1092, 1170, 1260, 1365, 1638, 1820, 2038, 2340, 2730, 3057, 3276, 4076, 4095, 5095, 5460, 6114, 7133, 8190, 9171, 10190, 12228, 13247, 14266, 15285, 16380, 18342, 20380, 21399, 26494, 28532, 30570, 35665, 36684, 39741, 42798, 45855, 52988, 61140, 64197, 66235, 71330, 79482, 85596, 91710, 92729, 106995, 119223, 128394, 132470, 142660, 158964, 183420, 185458, 198705, 213990, 238446, 256788, 264940, 278187, 320985, 370916, 397410, 427980, 463645, 476892, 556374, 596115, 641970, 794820, 834561, 927290, 1112748, 1192230, 1283940, 1390935, 1669122, 1854580, 2384460, 2781870, 3338244, 4172805, 5563740, 8345610, 16691220]

約数ペア:

[(1, 16691220), (2, 8345610), (3, 5563740), (4, 4172805), (5, 3338244), (6, 2781870), (7, 2384460), (9, 1854580), (10, 1669122), (12, 1390935), (13, 1283940), (14, 1192230), (15, 1112748), (18, 927290), (20, 834561), (21, 794820), (26, 641970), (28, 596115), (30, 556374), (35, 476892), (36, 463645), (39, 427980), (42, 397410), (45, 370916), (52, 320985), (60, 278187), (63, 264940), (65, 256788), (70, 238446), (78, 213990), (84, 198705), (90, 185458), (91, 183420), (105, 158964), (117, 142660), (126, 132470), (130, 128394), (140, 119223), (156, 106995), (180, 92729), (182, 91710), (195, 85596), (210, 79482), (234, 71330), (252, 66235), (260, 64197), (273, 61140), (315, 52988), (364, 45855), (390, 42798), (420, 39741), (455, 36684), (468, 35665), (546, 30570), (585, 28532), (630, 26494), (780, 21399), (819, 20380), (910, 18342), (1019, 16380), (1092, 15285), (1170, 14266), (1260, 13247), (1365, 12228), (1638, 10190), (1820, 9171), (2038, 8190), (2340, 7133), (2730, 6114), (3057, 5460), (3276, 5095), (4076, 4095)]