161757450

素因数分解:

$2^1\times 3^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{18919}}^1$

素因数の和:18956

約数の個数: 72

約数和(自身を含む): 457485600

約数和(自身を除く): 295728150

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 19, 25, 30, 38, 45, 50, 57, 75, 90, 95, 114, 150, 171, 190, 225, 285, 342, 450, 475, 570, 855, 950, 1425, 1710, 2850, 4275, 8550, 18919, 37838, 56757, 94595, 113514, 170271, 189190, 283785, 340542, 359461, 472975, 567570, 718922, 851355, 945950, 1078383, 1418925, 1702710, 1797305, 2156766, 2837850, 3235149, 3594610, 4256775, 5391915, 6470298, 8513550, 8986525, 10783830, 16175745, 17973050, 26959575, 32351490, 53919150, 80878725, 161757450]

約数ペア:

[(1, 161757450), (2, 80878725), (3, 53919150), (5, 32351490), (6, 26959575), (9, 17973050), (10, 16175745), (15, 10783830), (18, 8986525), (19, 8513550), (25, 6470298), (30, 5391915), (38, 4256775), (45, 3594610), (50, 3235149), (57, 2837850), (75, 2156766), (90, 1797305), (95, 1702710), (114, 1418925), (150, 1078383), (171, 945950), (190, 851355), (225, 718922), (285, 567570), (342, 472975), (450, 359461), (475, 340542), (570, 283785), (855, 189190), (950, 170271), (1425, 113514), (1710, 94595), (2850, 56757), (4275, 37838), (8550, 18919)]