30104720

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{199}}^1$

素因数の和:304

約数の個数: 80

約数和(自身を含む): 73804800

約数和(自身を除く): 43700080

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 61, 62, 80, 122, 124, 155, 199, 244, 248, 305, 310, 398, 488, 496, 610, 620, 796, 976, 995, 1220, 1240, 1592, 1891, 1990, 2440, 2480, 3184, 3782, 3980, 4880, 6169, 7564, 7960, 9455, 12139, 12338, 15128, 15920, 18910, 24278, 24676, 30256, 30845, 37820, 48556, 49352, 60695, 61690, 75640, 97112, 98704, 121390, 123380, 151280, 194224, 242780, 246760, 376309, 485560, 493520, 752618, 971120, 1505236, 1881545, 3010472, 3763090, 6020944, 7526180, 15052360, 30104720]

約数ペア:

[(1, 30104720), (2, 15052360), (4, 7526180), (5, 6020944), (8, 3763090), (10, 3010472), (16, 1881545), (20, 1505236), (31, 971120), (40, 752618), (61, 493520), (62, 485560), (80, 376309), (122, 246760), (124, 242780), (155, 194224), (199, 151280), (244, 123380), (248, 121390), (305, 98704), (310, 97112), (398, 75640), (488, 61690), (496, 60695), (610, 49352), (620, 48556), (796, 37820), (976, 30845), (995, 30256), (1220, 24676), (1240, 24278), (1592, 18910), (1891, 15920), (1990, 15128), (2440, 12338), (2480, 12139), (3184, 9455), (3782, 7960), (3980, 7564), (4880, 6169)]