161945550

素因数分解:

$2^1\times 3^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1$

素因数の和:128

約数の個数: 288

約数和(自身を含む): 519966720

約数和(自身を除く): 358021170

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 19, 25, 26, 30, 31, 38, 39, 45, 47, 50, 57, 62, 65, 75, 78, 90, 93, 94, 95, 114, 117, 130, 141, 150, 155, 171, 186, 190, 195, 225, 234, 235, 247, 279, 282, 285, 310, 325, 342, 390, 403, 423, 450, 465, 470, 475, 494, 558, 570, 585, 589, 611, 650, 705, 741, 775, 806, 846, 855, 893, 930, 950, 975, 1170, 1175, 1178, 1209, 1222, 1235, 1395, 1410, 1425, 1457, 1482, 1550, 1710, 1767, 1786, 1833, 1950, 2015, 2115, 2223, 2325, 2350, 2418, 2470, 2679, 2790, 2850, 2914, 2925, 2945, 3055, 3525, 3534, 3627, 3666, 3705, 4030, 4230, 4275, 4371, 4446, 4465, 4650, 5301, 5358, 5499, 5850, 5890, 6045, 6110, 6175, 6975, 7050, 7254, 7285, 7410, 7657, 8037, 8550, 8742, 8835, 8930, 9165, 10075, 10575, 10602, 10998, 11115, 11609, 12090, 12350, 13113, 13395, 13950, 14570, 14725, 15275, 15314, 16074, 17670, 18135, 18330, 18525, 18941, 20150, 21150, 21855, 22230, 22325, 22971, 23218, 26226, 26505, 26790, 27495, 27683, 29450, 30225, 30550, 34827, 36270, 36425, 37050, 37882, 38285, 40185, 43710, 44175, 44650, 45825, 45942, 53010, 54990, 55366, 55575, 56823, 58045, 60450, 65565, 66975, 68913, 69654, 72850, 76570, 80370, 83049, 88350, 90675, 91650, 94705, 104481, 109275, 111150, 113646, 114855, 116090, 131130, 132525, 133950, 137475, 137826, 138415, 166098, 170469, 174135, 181350, 189410, 191425, 200925, 208962, 218550, 229710, 249147, 265050, 274950, 276830, 284115, 290225, 327825, 340938, 344565, 348270, 359879, 382850, 401850, 415245, 473525, 498294, 522405, 568230, 574275, 580450, 655650, 689130, 692075, 719758, 830490, 852345, 870675, 947050, 1044810, 1079637, 1148550, 1245735, 1384150, 1420575, 1704690, 1722825, 1741350, 1799395, 2076225, 2159274, 2491470, 2612025, 2841150, 3238911, 3445650, 3598790, 4152450, 4261725, 5224050, 5398185, 6228675, 6477822, 8523450, 8996975, 10796370, 12457350, 16194555, 17993950, 26990925, 32389110, 53981850, 80972775, 161945550]

約数ペア:

[(1, 161945550), (2, 80972775), (3, 53981850), (5, 32389110), (6, 26990925), (9, 17993950), (10, 16194555), (13, 12457350), (15, 10796370), (18, 8996975), (19, 8523450), (25, 6477822), (26, 6228675), (30, 5398185), (31, 5224050), (38, 4261725), (39, 4152450), (45, 3598790), (47, 3445650), (50, 3238911), (57, 2841150), (62, 2612025), (65, 2491470), (75, 2159274), (78, 2076225), (90, 1799395), (93, 1741350), (94, 1722825), (95, 1704690), (114, 1420575), (117, 1384150), (130, 1245735), (141, 1148550), (150, 1079637), (155, 1044810), (171, 947050), (186, 870675), (190, 852345), (195, 830490), (225, 719758), (234, 692075), (235, 689130), (247, 655650), (279, 580450), (282, 574275), (285, 568230), (310, 522405), (325, 498294), (342, 473525), (390, 415245), (403, 401850), (423, 382850), (450, 359879), (465, 348270), (470, 344565), (475, 340938), (494, 327825), (558, 290225), (570, 284115), (585, 276830), (589, 274950), (611, 265050), (650, 249147), (705, 229710), (741, 218550), (775, 208962), (806, 200925), (846, 191425), (855, 189410), (893, 181350), (930, 174135), (950, 170469), (975, 166098), (1170, 138415), (1175, 137826), (1178, 137475), (1209, 133950), (1222, 132525), (1235, 131130), (1395, 116090), (1410, 114855), (1425, 113646), (1457, 111150), (1482, 109275), (1550, 104481), (1710, 94705), (1767, 91650), (1786, 90675), (1833, 88350), (1950, 83049), (2015, 80370), (2115, 76570), (2223, 72850), (2325, 69654), (2350, 68913), (2418, 66975), (2470, 65565), (2679, 60450), (2790, 58045), (2850, 56823), (2914, 55575), (2925, 55366), (2945, 54990), (3055, 53010), (3525, 45942), (3534, 45825), (3627, 44650), (3666, 44175), (3705, 43710), (4030, 40185), (4230, 38285), (4275, 37882), (4371, 37050), (4446, 36425), (4465, 36270), (4650, 34827), (5301, 30550), (5358, 30225), (5499, 29450), (5850, 27683), (5890, 27495), (6045, 26790), (6110, 26505), (6175, 26226), (6975, 23218), (7050, 22971), (7254, 22325), (7285, 22230), (7410, 21855), (7657, 21150), (8037, 20150), (8550, 18941), (8742, 18525), (8835, 18330), (8930, 18135), (9165, 17670), (10075, 16074), (10575, 15314), (10602, 15275), (10998, 14725), (11115, 14570), (11609, 13950), (12090, 13395), (12350, 13113)]