78254160

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{131}}^2$

素因数の和:297

約数の個数: 120

約数和(自身を含む): 257319840

約数和(自身を除く): 179065680

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 19, 20, 24, 30, 38, 40, 48, 57, 60, 76, 80, 95, 114, 120, 131, 152, 190, 228, 240, 262, 285, 304, 380, 393, 456, 524, 570, 655, 760, 786, 912, 1048, 1140, 1310, 1520, 1572, 1965, 2096, 2280, 2489, 2620, 3144, 3930, 4560, 4978, 5240, 6288, 7467, 7860, 9956, 10480, 12445, 14934, 15720, 17161, 19912, 24890, 29868, 31440, 34322, 37335, 39824, 49780, 51483, 59736, 68644, 74670, 85805, 99560, 102966, 119472, 137288, 149340, 171610, 199120, 205932, 257415, 274576, 298680, 326059, 343220, 411864, 514830, 597360, 652118, 686440, 823728, 978177, 1029660, 1304236, 1372880, 1630295, 1956354, 2059320, 2608472, 3260590, 3912708, 4118640, 4890885, 5216944, 6521180, 7825416, 9781770, 13042360, 15650832, 19563540, 26084720, 39127080, 78254160]

約数ペア:

[(1, 78254160), (2, 39127080), (3, 26084720), (4, 19563540), (5, 15650832), (6, 13042360), (8, 9781770), (10, 7825416), (12, 6521180), (15, 5216944), (16, 4890885), (19, 4118640), (20, 3912708), (24, 3260590), (30, 2608472), (38, 2059320), (40, 1956354), (48, 1630295), (57, 1372880), (60, 1304236), (76, 1029660), (80, 978177), (95, 823728), (114, 686440), (120, 652118), (131, 597360), (152, 514830), (190, 411864), (228, 343220), (240, 326059), (262, 298680), (285, 274576), (304, 257415), (380, 205932), (393, 199120), (456, 171610), (524, 149340), (570, 137288), (655, 119472), (760, 102966), (786, 99560), (912, 85805), (1048, 74670), (1140, 68644), (1310, 59736), (1520, 51483), (1572, 49780), (1965, 39824), (2096, 37335), (2280, 34322), (2489, 31440), (2620, 29868), (3144, 24890), (3930, 19912), (4560, 17161), (4978, 15720), (5240, 14934), (6288, 12445), (7467, 10480), (7860, 9956)]