72338680

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{1289}}^1$

素因数の和:1384

約数の個数: 64

約数和(自身を含む): 172756800

約数和(自身を除く): 100418120

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 61, 92, 115, 122, 184, 230, 244, 305, 460, 488, 610, 920, 1220, 1289, 1403, 2440, 2578, 2806, 5156, 5612, 6445, 7015, 10312, 11224, 12890, 14030, 25780, 28060, 29647, 51560, 56120, 59294, 78629, 118588, 148235, 157258, 237176, 296470, 314516, 393145, 592940, 629032, 786290, 1185880, 1572580, 1808467, 3145160, 3616934, 7233868, 9042335, 14467736, 18084670, 36169340, 72338680]

約数ペア:

[(1, 72338680), (2, 36169340), (4, 18084670), (5, 14467736), (8, 9042335), (10, 7233868), (20, 3616934), (23, 3145160), (40, 1808467), (46, 1572580), (61, 1185880), (92, 786290), (115, 629032), (122, 592940), (184, 393145), (230, 314516), (244, 296470), (305, 237176), (460, 157258), (488, 148235), (610, 118588), (920, 78629), (1220, 59294), (1289, 56120), (1403, 51560), (2440, 29647), (2578, 28060), (2806, 25780), (5156, 14030), (5612, 12890), (6445, 11224), (7015, 10312)]