78907950

素因数分解:

$2^1\times 3^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{839}}^1$

素因数の和:887

約数の個数: 144

約数和(自身を含む): 243734400

約数和(自身を除く): 164826450

約数列:

[1, 2, 3, 5, 6, 9, 10, 11, 15, 18, 19, 22, 25, 30, 33, 38, 45, 50, 55, 57, 66, 75, 90, 95, 99, 110, 114, 150, 165, 171, 190, 198, 209, 225, 275, 285, 330, 342, 418, 450, 475, 495, 550, 570, 627, 825, 839, 855, 950, 990, 1045, 1254, 1425, 1650, 1678, 1710, 1881, 2090, 2475, 2517, 2850, 3135, 3762, 4195, 4275, 4950, 5034, 5225, 6270, 7551, 8390, 8550, 9229, 9405, 10450, 12585, 15102, 15675, 15941, 18458, 18810, 20975, 25170, 27687, 31350, 31882, 37755, 41950, 46145, 47025, 47823, 55374, 62925, 75510, 79705, 83061, 92290, 94050, 95646, 125850, 138435, 143469, 159410, 166122, 175351, 188775, 230725, 239115, 276870, 286938, 350702, 377550, 398525, 415305, 461450, 478230, 526053, 692175, 717345, 797050, 830610, 876755, 1052106, 1195575, 1384350, 1434690, 1578159, 1753510, 2076525, 2391150, 2630265, 3156318, 3586725, 4153050, 4383775, 5260530, 7173450, 7890795, 8767550, 13151325, 15781590, 26302650, 39453975, 78907950]

約数ペア:

[(1, 78907950), (2, 39453975), (3, 26302650), (5, 15781590), (6, 13151325), (9, 8767550), (10, 7890795), (11, 7173450), (15, 5260530), (18, 4383775), (19, 4153050), (22, 3586725), (25, 3156318), (30, 2630265), (33, 2391150), (38, 2076525), (45, 1753510), (50, 1578159), (55, 1434690), (57, 1384350), (66, 1195575), (75, 1052106), (90, 876755), (95, 830610), (99, 797050), (110, 717345), (114, 692175), (150, 526053), (165, 478230), (171, 461450), (190, 415305), (198, 398525), (209, 377550), (225, 350702), (275, 286938), (285, 276870), (330, 239115), (342, 230725), (418, 188775), (450, 175351), (475, 166122), (495, 159410), (550, 143469), (570, 138435), (627, 125850), (825, 95646), (839, 94050), (855, 92290), (950, 83061), (990, 79705), (1045, 75510), (1254, 62925), (1425, 55374), (1650, 47823), (1678, 47025), (1710, 46145), (1881, 41950), (2090, 37755), (2475, 31882), (2517, 31350), (2850, 27687), (3135, 25170), (3762, 20975), (4195, 18810), (4275, 18458), (4950, 15941), (5034, 15675), (5225, 15102), (6270, 12585), (7551, 10450), (8390, 9405), (8550, 9229)]