2156700

素因数分解:

$2^2\times 3^1\times 5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1$

素因数の和:116

約数の個数: 144

約数和(自身を含む): 7777280

約数和(自身を除く): 5620580

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 13, 14, 15, 20, 21, 25, 26, 28, 30, 35, 39, 42, 50, 52, 60, 65, 70, 75, 78, 79, 84, 91, 100, 105, 130, 140, 150, 156, 158, 175, 182, 195, 210, 237, 260, 273, 300, 316, 325, 350, 364, 390, 395, 420, 455, 474, 525, 546, 553, 650, 700, 780, 790, 910, 948, 975, 1027, 1050, 1092, 1106, 1185, 1300, 1365, 1580, 1659, 1820, 1950, 1975, 2054, 2100, 2212, 2275, 2370, 2730, 2765, 3081, 3318, 3900, 3950, 4108, 4550, 4740, 5135, 5460, 5530, 5925, 6162, 6636, 6825, 7189, 7900, 8295, 9100, 10270, 11060, 11850, 12324, 13650, 13825, 14378, 15405, 16590, 20540, 21567, 23700, 25675, 27300, 27650, 28756, 30810, 33180, 35945, 41475, 43134, 51350, 55300, 61620, 71890, 77025, 82950, 86268, 102700, 107835, 143780, 154050, 165900, 179725, 215670, 308100, 359450, 431340, 539175, 718900, 1078350, 2156700]

約数ペア:

[(1, 2156700), (2, 1078350), (3, 718900), (4, 539175), (5, 431340), (6, 359450), (7, 308100), (10, 215670), (12, 179725), (13, 165900), (14, 154050), (15, 143780), (20, 107835), (21, 102700), (25, 86268), (26, 82950), (28, 77025), (30, 71890), (35, 61620), (39, 55300), (42, 51350), (50, 43134), (52, 41475), (60, 35945), (65, 33180), (70, 30810), (75, 28756), (78, 27650), (79, 27300), (84, 25675), (91, 23700), (100, 21567), (105, 20540), (130, 16590), (140, 15405), (150, 14378), (156, 13825), (158, 13650), (175, 12324), (182, 11850), (195, 11060), (210, 10270), (237, 9100), (260, 8295), (273, 7900), (300, 7189), (316, 6825), (325, 6636), (350, 6162), (364, 5925), (390, 5530), (395, 5460), (420, 5135), (455, 4740), (474, 4550), (525, 4108), (546, 3950), (553, 3900), (650, 3318), (700, 3081), (780, 2765), (790, 2730), (910, 2370), (948, 2275), (975, 2212), (1027, 2100), (1050, 2054), (1092, 1975), (1106, 1950), (1185, 1820), (1300, 1659), (1365, 1580)]