215123760

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{509}}^1\times {\mathrm{587}}^1$

素因数の和:1115

約数の個数: 120

約数和(自身を含む): 725109840

約数和(自身を除く): 509986080

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 360, 509, 587, 720, 1018, 1174, 1527, 1761, 2036, 2348, 2545, 2935, 3054, 3522, 4072, 4581, 4696, 5090, 5283, 5870, 6108, 7044, 7635, 8144, 8805, 9162, 9392, 10180, 10566, 11740, 12216, 14088, 15270, 17610, 18324, 20360, 21132, 22905, 23480, 24432, 26415, 28176, 30540, 35220, 36648, 40720, 42264, 45810, 46960, 52830, 61080, 70440, 73296, 84528, 91620, 105660, 122160, 140880, 183240, 211320, 298783, 366480, 422640, 597566, 896349, 1195132, 1493915, 1792698, 2390264, 2689047, 2987830, 3585396, 4481745, 4780528, 5378094, 5975660, 7170792, 8963490, 10756188, 11951320, 13445235, 14341584, 17926980, 21512376, 23902640, 26890470, 35853960, 43024752, 53780940, 71707920, 107561880, 215123760]

約数ペア:

[(1, 215123760), (2, 107561880), (3, 71707920), (4, 53780940), (5, 43024752), (6, 35853960), (8, 26890470), (9, 23902640), (10, 21512376), (12, 17926980), (15, 14341584), (16, 13445235), (18, 11951320), (20, 10756188), (24, 8963490), (30, 7170792), (36, 5975660), (40, 5378094), (45, 4780528), (48, 4481745), (60, 3585396), (72, 2987830), (80, 2689047), (90, 2390264), (120, 1792698), (144, 1493915), (180, 1195132), (240, 896349), (360, 597566), (509, 422640), (587, 366480), (720, 298783), (1018, 211320), (1174, 183240), (1527, 140880), (1761, 122160), (2036, 105660), (2348, 91620), (2545, 84528), (2935, 73296), (3054, 70440), (3522, 61080), (4072, 52830), (4581, 46960), (4696, 45810), (5090, 42264), (5283, 40720), (5870, 36648), (6108, 35220), (7044, 30540), (7635, 28176), (8144, 26415), (8805, 24432), (9162, 23480), (9392, 22905), (10180, 21132), (10566, 20360), (11740, 18324), (12216, 17610), (14088, 15270)]