1881494550

素因数分解:

$2^1\times 3^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{18919}}^1$

素因数の和:18967

約数の個数: 144

約数和(自身を含む): 5764318560

約数和(自身を除く): 3882824010

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 17, 18, 25, 26, 30, 34, 39, 45, 50, 51, 65, 75, 78, 85, 90, 102, 117, 130, 150, 153, 170, 195, 221, 225, 234, 255, 306, 325, 390, 425, 442, 450, 510, 585, 650, 663, 765, 850, 975, 1105, 1170, 1275, 1326, 1530, 1950, 1989, 2210, 2550, 2925, 3315, 3825, 3978, 5525, 5850, 6630, 7650, 9945, 11050, 16575, 18919, 19890, 33150, 37838, 49725, 56757, 94595, 99450, 113514, 170271, 189190, 245947, 283785, 321623, 340542, 472975, 491894, 567570, 643246, 737841, 851355, 945950, 964869, 1229735, 1418925, 1475682, 1608115, 1702710, 1929738, 2213523, 2459470, 2837850, 2894607, 3216230, 3689205, 4181099, 4256775, 4427046, 4824345, 5789214, 6148675, 7378410, 8040575, 8362198, 8513550, 9648690, 11067615, 12297350, 12543297, 14473035, 16081150, 18446025, 20905495, 22135230, 24121725, 25086594, 28946070, 36892050, 37629891, 41810990, 48243450, 55338075, 62716485, 72365175, 75259782, 104527475, 110676150, 125432970, 144730350, 188149455, 209054950, 313582425, 376298910, 627164850, 940747275, 1881494550]

約数ペア:

[(1, 1881494550), (2, 940747275), (3, 627164850), (5, 376298910), (6, 313582425), (9, 209054950), (10, 188149455), (13, 144730350), (15, 125432970), (17, 110676150), (18, 104527475), (25, 75259782), (26, 72365175), (30, 62716485), (34, 55338075), (39, 48243450), (45, 41810990), (50, 37629891), (51, 36892050), (65, 28946070), (75, 25086594), (78, 24121725), (85, 22135230), (90, 20905495), (102, 18446025), (117, 16081150), (130, 14473035), (150, 12543297), (153, 12297350), (170, 11067615), (195, 9648690), (221, 8513550), (225, 8362198), (234, 8040575), (255, 7378410), (306, 6148675), (325, 5789214), (390, 4824345), (425, 4427046), (442, 4256775), (450, 4181099), (510, 3689205), (585, 3216230), (650, 2894607), (663, 2837850), (765, 2459470), (850, 2213523), (975, 1929738), (1105, 1702710), (1170, 1608115), (1275, 1475682), (1326, 1418925), (1530, 1229735), (1950, 964869), (1989, 945950), (2210, 851355), (2550, 737841), (2925, 643246), (3315, 567570), (3825, 491894), (3978, 472975), (5525, 340542), (5850, 321623), (6630, 283785), (7650, 245947), (9945, 189190), (11050, 170271), (16575, 113514), (18919, 99450), (19890, 94595), (33150, 56757), (37838, 49725)]