81797280

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{8969}}^1$

素因数の和:9006

約数の個数: 96

約数和(自身を含む): 271252800

約数和(自身を除く): 189455520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 19, 20, 24, 30, 32, 38, 40, 48, 57, 60, 76, 80, 95, 96, 114, 120, 152, 160, 190, 228, 240, 285, 304, 380, 456, 480, 570, 608, 760, 912, 1140, 1520, 1824, 2280, 3040, 4560, 8969, 9120, 17938, 26907, 35876, 44845, 53814, 71752, 89690, 107628, 134535, 143504, 170411, 179380, 215256, 269070, 287008, 340822, 358760, 430512, 511233, 538140, 681644, 717520, 852055, 861024, 1022466, 1076280, 1363288, 1435040, 1704110, 2044932, 2152560, 2556165, 2726576, 3408220, 4089864, 4305120, 5112330, 5453152, 6816440, 8179728, 10224660, 13632880, 16359456, 20449320, 27265760, 40898640, 81797280]

約数ペア:

[(1, 81797280), (2, 40898640), (3, 27265760), (4, 20449320), (5, 16359456), (6, 13632880), (8, 10224660), (10, 8179728), (12, 6816440), (15, 5453152), (16, 5112330), (19, 4305120), (20, 4089864), (24, 3408220), (30, 2726576), (32, 2556165), (38, 2152560), (40, 2044932), (48, 1704110), (57, 1435040), (60, 1363288), (76, 1076280), (80, 1022466), (95, 861024), (96, 852055), (114, 717520), (120, 681644), (152, 538140), (160, 511233), (190, 430512), (228, 358760), (240, 340822), (285, 287008), (304, 269070), (380, 215256), (456, 179380), (480, 170411), (570, 143504), (608, 134535), (760, 107628), (912, 89690), (1140, 71752), (1520, 53814), (1824, 44845), (2280, 35876), (3040, 26907), (4560, 17938), (8969, 9120)]