1620520920

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{264791}}^1$

素因数の和:264825

約数の個数: 96

約数和(自身を含む): 5576519520

約数和(自身を除く): 3955998600

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 17, 18, 20, 24, 30, 34, 36, 40, 45, 51, 60, 68, 72, 85, 90, 102, 120, 136, 153, 170, 180, 204, 255, 306, 340, 360, 408, 510, 612, 680, 765, 1020, 1224, 1530, 2040, 3060, 6120, 264791, 529582, 794373, 1059164, 1323955, 1588746, 2118328, 2383119, 2647910, 3177492, 3971865, 4501447, 4766238, 5295820, 6354984, 7943730, 9002894, 9532476, 10591640, 11915595, 13504341, 15887460, 18005788, 19064952, 22507235, 23831190, 27008682, 31774920, 36011576, 40513023, 45014470, 47662380, 54017364, 67521705, 81026046, 90028940, 95324760, 108034728, 135043410, 162052092, 180057880, 202565115, 270086820, 324104184, 405130230, 540173640, 810260460, 1620520920]

約数ペア:

[(1, 1620520920), (2, 810260460), (3, 540173640), (4, 405130230), (5, 324104184), (6, 270086820), (8, 202565115), (9, 180057880), (10, 162052092), (12, 135043410), (15, 108034728), (17, 95324760), (18, 90028940), (20, 81026046), (24, 67521705), (30, 54017364), (34, 47662380), (36, 45014470), (40, 40513023), (45, 36011576), (51, 31774920), (60, 27008682), (68, 23831190), (72, 22507235), (85, 19064952), (90, 18005788), (102, 15887460), (120, 13504341), (136, 11915595), (153, 10591640), (170, 9532476), (180, 9002894), (204, 7943730), (255, 6354984), (306, 5295820), (340, 4766238), (360, 4501447), (408, 3971865), (510, 3177492), (612, 2647910), (680, 2383119), (765, 2118328), (1020, 1588746), (1224, 1323955), (1530, 1059164), (2040, 794373), (3060, 529582), (6120, 264791)]