308900280

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{198013}}^1$

素因数の和:198040

約数の個数: 64

約数和(自身を含む): 997990560

約数和(自身を除く): 689090280

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 104, 120, 130, 156, 195, 260, 312, 390, 520, 780, 1560, 198013, 396026, 594039, 792052, 990065, 1188078, 1584104, 1980130, 2376156, 2574169, 2970195, 3960260, 4752312, 5148338, 5940390, 7722507, 7920520, 10296676, 11880780, 12870845, 15445014, 20593352, 23761560, 25741690, 30890028, 38612535, 51483380, 61780056, 77225070, 102966760, 154450140, 308900280]

約数ペア:

[(1, 308900280), (2, 154450140), (3, 102966760), (4, 77225070), (5, 61780056), (6, 51483380), (8, 38612535), (10, 30890028), (12, 25741690), (13, 23761560), (15, 20593352), (20, 15445014), (24, 12870845), (26, 11880780), (30, 10296676), (39, 7920520), (40, 7722507), (52, 5940390), (60, 5148338), (65, 4752312), (78, 3960260), (104, 2970195), (120, 2574169), (130, 2376156), (156, 1980130), (195, 1584104), (260, 1188078), (312, 990065), (390, 792052), (520, 594039), (780, 396026), (1560, 198013)]