783120780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{334667}}^1$

素因数の和:334695

約数の個数: 72

約数和(自身を含む): 2558202192

約数和(自身を除く): 1775081412

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 45, 52, 60, 65, 78, 90, 117, 130, 156, 180, 195, 234, 260, 390, 468, 585, 780, 1170, 2340, 334667, 669334, 1004001, 1338668, 1673335, 2008002, 3012003, 3346670, 4016004, 4350671, 5020005, 6024006, 6693340, 8701342, 10040010, 12048012, 13052013, 15060015, 17402684, 20080020, 21753355, 26104026, 30120030, 39156039, 43506710, 52208052, 60240060, 65260065, 78312078, 87013420, 130520130, 156624156, 195780195, 261040260, 391560390, 783120780]

約数ペア:

[(1, 783120780), (2, 391560390), (3, 261040260), (4, 195780195), (5, 156624156), (6, 130520130), (9, 87013420), (10, 78312078), (12, 65260065), (13, 60240060), (15, 52208052), (18, 43506710), (20, 39156039), (26, 30120030), (30, 26104026), (36, 21753355), (39, 20080020), (45, 17402684), (52, 15060015), (60, 13052013), (65, 12048012), (78, 10040010), (90, 8701342), (117, 6693340), (130, 6024006), (156, 5020005), (180, 4350671), (195, 4016004), (234, 3346670), (260, 3012003), (390, 2008002), (468, 1673335), (585, 1338668), (780, 1004001), (1170, 669334), (2340, 334667)]