217915560

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31859}}^1$

素因数の和:31895

約数の個数: 96

約数和(自身を含む): 745524000

約数和(自身を除く): 527608440

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 19, 20, 24, 30, 36, 38, 40, 45, 57, 60, 72, 76, 90, 95, 114, 120, 152, 171, 180, 190, 228, 285, 342, 360, 380, 456, 570, 684, 760, 855, 1140, 1368, 1710, 2280, 3420, 6840, 31859, 63718, 95577, 127436, 159295, 191154, 254872, 286731, 318590, 382308, 477885, 573462, 605321, 637180, 764616, 955770, 1146924, 1210642, 1274360, 1433655, 1815963, 1911540, 2293848, 2421284, 2867310, 3026605, 3631926, 3823080, 4842568, 5447889, 5734620, 6053210, 7263852, 9079815, 10895778, 11469240, 12106420, 14527704, 18159630, 21791556, 24212840, 27239445, 36319260, 43583112, 54478890, 72638520, 108957780, 217915560]

約数ペア:

[(1, 217915560), (2, 108957780), (3, 72638520), (4, 54478890), (5, 43583112), (6, 36319260), (8, 27239445), (9, 24212840), (10, 21791556), (12, 18159630), (15, 14527704), (18, 12106420), (19, 11469240), (20, 10895778), (24, 9079815), (30, 7263852), (36, 6053210), (38, 5734620), (40, 5447889), (45, 4842568), (57, 3823080), (60, 3631926), (72, 3026605), (76, 2867310), (90, 2421284), (95, 2293848), (114, 1911540), (120, 1815963), (152, 1433655), (171, 1274360), (180, 1210642), (190, 1146924), (228, 955770), (285, 764616), (342, 637180), (360, 605321), (380, 573462), (456, 477885), (570, 382308), (684, 318590), (760, 286731), (855, 254872), (1140, 191154), (1368, 159295), (1710, 127436), (2280, 95577), (3420, 63718), (6840, 31859)]