1631959020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{20747}}^1$

素因数の和:20804

約数の個数: 144

約数和(自身を含む): 5437635840

約数和(自身を除く): 3805676820

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 23, 30, 36, 38, 45, 46, 57, 60, 69, 76, 90, 92, 95, 114, 115, 138, 171, 180, 190, 207, 228, 230, 276, 285, 342, 345, 380, 414, 437, 460, 570, 684, 690, 828, 855, 874, 1035, 1140, 1311, 1380, 1710, 1748, 2070, 2185, 2622, 3420, 3933, 4140, 4370, 5244, 6555, 7866, 8740, 13110, 15732, 19665, 20747, 26220, 39330, 41494, 62241, 78660, 82988, 103735, 124482, 186723, 207470, 248964, 311205, 373446, 394193, 414940, 477181, 622410, 746892, 788386, 933615, 954362, 1182579, 1244820, 1431543, 1576772, 1867230, 1908724, 1970965, 2365158, 2385905, 2863086, 3547737, 3734460, 3941930, 4294629, 4730316, 4771810, 5726172, 5912895, 7095474, 7157715, 7883860, 8589258, 9066439, 9543620, 11825790, 14190948, 14315430, 17178516, 17738685, 18132878, 21473145, 23651580, 27199317, 28630860, 35477370, 36265756, 42946290, 45332195, 54398634, 70954740, 81597951, 85892580, 90664390, 108797268, 135996585, 163195902, 181328780, 271993170, 326391804, 407989755, 543986340, 815979510, 1631959020]

約数ペア:

[(1, 1631959020), (2, 815979510), (3, 543986340), (4, 407989755), (5, 326391804), (6, 271993170), (9, 181328780), (10, 163195902), (12, 135996585), (15, 108797268), (18, 90664390), (19, 85892580), (20, 81597951), (23, 70954740), (30, 54398634), (36, 45332195), (38, 42946290), (45, 36265756), (46, 35477370), (57, 28630860), (60, 27199317), (69, 23651580), (76, 21473145), (90, 18132878), (92, 17738685), (95, 17178516), (114, 14315430), (115, 14190948), (138, 11825790), (171, 9543620), (180, 9066439), (190, 8589258), (207, 7883860), (228, 7157715), (230, 7095474), (276, 5912895), (285, 5726172), (342, 4771810), (345, 4730316), (380, 4294629), (414, 3941930), (437, 3734460), (460, 3547737), (570, 2863086), (684, 2385905), (690, 2365158), (828, 1970965), (855, 1908724), (874, 1867230), (1035, 1576772), (1140, 1431543), (1311, 1244820), (1380, 1182579), (1710, 954362), (1748, 933615), (2070, 788386), (2185, 746892), (2622, 622410), (3420, 477181), (3933, 414940), (4140, 394193), (4370, 373446), (5244, 311205), (6555, 248964), (7866, 207470), (8740, 186723), (13110, 124482), (15732, 103735), (19665, 82988), (20747, 78660), (26220, 62241), (39330, 41494)]