1728021960

素因数分解:

$2^3\times 3^2\times 5^1\times 7^1\times {\mathrm{685723}}^1$

素因数の和:685747

約数の個数: 96

約数和(自身を含む): 6418376640

約数和(自身を除く): 4690354680

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 56, 60, 63, 70, 72, 84, 90, 105, 120, 126, 140, 168, 180, 210, 252, 280, 315, 360, 420, 504, 630, 840, 1260, 2520, 685723, 1371446, 2057169, 2742892, 3428615, 4114338, 4800061, 5485784, 6171507, 6857230, 8228676, 9600122, 10285845, 12343014, 13714460, 14400183, 16457352, 19200244, 20571690, 24000305, 24686028, 27428920, 28800366, 30857535, 38400488, 41143380, 43200549, 48000610, 49372056, 57600732, 61715070, 72000915, 82286760, 86401098, 96001220, 115201464, 123430140, 144001830, 172802196, 192002440, 216002745, 246860280, 288003660, 345604392, 432005490, 576007320, 864010980, 1728021960]

約数ペア:

[(1, 1728021960), (2, 864010980), (3, 576007320), (4, 432005490), (5, 345604392), (6, 288003660), (7, 246860280), (8, 216002745), (9, 192002440), (10, 172802196), (12, 144001830), (14, 123430140), (15, 115201464), (18, 96001220), (20, 86401098), (21, 82286760), (24, 72000915), (28, 61715070), (30, 57600732), (35, 49372056), (36, 48000610), (40, 43200549), (42, 41143380), (45, 38400488), (56, 30857535), (60, 28800366), (63, 27428920), (70, 24686028), (72, 24000305), (84, 20571690), (90, 19200244), (105, 16457352), (120, 14400183), (126, 13714460), (140, 12343014), (168, 10285845), (180, 9600122), (210, 8228676), (252, 6857230), (280, 6171507), (315, 5485784), (360, 4800061), (420, 4114338), (504, 3428615), (630, 2742892), (840, 2057169), (1260, 1371446), (2520, 685723)]