291387240

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{4423}}^1$

素因数の和:4504

約数の個数: 128

約数和(自身を含む): 987436800

約数和(自身を除く): 696049560

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 61, 72, 90, 108, 120, 122, 135, 180, 183, 216, 244, 270, 305, 360, 366, 488, 540, 549, 610, 732, 915, 1080, 1098, 1220, 1464, 1647, 1830, 2196, 2440, 2745, 3294, 3660, 4392, 4423, 5490, 6588, 7320, 8235, 8846, 10980, 13176, 13269, 16470, 17692, 21960, 22115, 26538, 32940, 35384, 39807, 44230, 53076, 65880, 66345, 79614, 88460, 106152, 119421, 132690, 159228, 176920, 199035, 238842, 265380, 269803, 318456, 398070, 477684, 530760, 539606, 597105, 796140, 809409, 955368, 1079212, 1194210, 1349015, 1592280, 1618818, 2158424, 2388420, 2428227, 2698030, 3237636, 4047045, 4776840, 4856454, 5396060, 6475272, 7284681, 8094090, 9712908, 10792120, 12141135, 14569362, 16188180, 19425816, 24282270, 29138724, 32376360, 36423405, 48564540, 58277448, 72846810, 97129080, 145693620, 291387240]

約数ペア:

[(1, 291387240), (2, 145693620), (3, 97129080), (4, 72846810), (5, 58277448), (6, 48564540), (8, 36423405), (9, 32376360), (10, 29138724), (12, 24282270), (15, 19425816), (18, 16188180), (20, 14569362), (24, 12141135), (27, 10792120), (30, 9712908), (36, 8094090), (40, 7284681), (45, 6475272), (54, 5396060), (60, 4856454), (61, 4776840), (72, 4047045), (90, 3237636), (108, 2698030), (120, 2428227), (122, 2388420), (135, 2158424), (180, 1618818), (183, 1592280), (216, 1349015), (244, 1194210), (270, 1079212), (305, 955368), (360, 809409), (366, 796140), (488, 597105), (540, 539606), (549, 530760), (610, 477684), (732, 398070), (915, 318456), (1080, 269803), (1098, 265380), (1220, 238842), (1464, 199035), (1647, 176920), (1830, 159228), (2196, 132690), (2440, 119421), (2745, 106152), (3294, 88460), (3660, 79614), (4392, 66345), (4423, 65880), (5490, 53076), (6588, 44230), (7320, 39807), (8235, 35384), (8846, 32940), (10980, 26538), (13176, 22115), (13269, 21960), (16470, 17692)]