28860780780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{12333667}}^1$

素因数の和:12333695

約数の個数: 72

約数和(自身を含む): 94278558192

約数和(自身を除く): 65417777412

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, 12333667, 24667334, 37001001, 49334668, 61668335, 74002002, 111003003, 123336670, 148004004, 160337671, 185005005, 222006006, 246673340, 320675342, 370010010, 444012012, 481013013, 555015015, 641350684, 740020020, 801688355, 962026026, 1110030030, 1443039039, 1603376710, 1924052052, 2220060060, 2405065065, 2886078078, 3206753420, 4810130130, 5772156156, 7215195195, 9620260260, 14430390390, 28860780780]

約数ペア:

[(1, 28860780780), (2, 14430390390), (3, 9620260260), (4, 7215195195), (5, 5772156156), (6, 4810130130), (9, 3206753420), (10, 2886078078), (12, 2405065065), (13, 2220060060), (15, 1924052052), (18, 1603376710), (20, 1443039039), (26, 1110030030), (30, 962026026), (36, 801688355), (39, 740020020), (45, 641350684), (52, 555015015), (60, 481013013), (65, 444012012), (78, 370010010), (90, 320675342), (117, 246673340), (130, 222006006), (156, 185005005), (180, 160337671), (195, 148004004), (234, 123336670), (260, 111003003), (390, 74002002), (468, 61668335), (585, 49334668), (780, 37001001), (1170, 24667334), (2340, 12333667)]