31254480

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{83}}^1\times {\mathrm{523}}^1$

素因数の和:625

約数の個数: 120

約数和(自身を含む): 106430688

約数和(自身を除く): 75176208

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 83, 90, 120, 144, 166, 180, 240, 249, 332, 360, 415, 498, 523, 664, 720, 747, 830, 996, 1046, 1245, 1328, 1494, 1569, 1660, 1992, 2092, 2490, 2615, 2988, 3138, 3320, 3735, 3984, 4184, 4707, 4980, 5230, 5976, 6276, 6640, 7470, 7845, 8368, 9414, 9960, 10460, 11952, 12552, 14940, 15690, 18828, 19920, 20920, 23535, 25104, 29880, 31380, 37656, 41840, 43409, 47070, 59760, 62760, 75312, 86818, 94140, 125520, 130227, 173636, 188280, 217045, 260454, 347272, 376560, 390681, 434090, 520908, 651135, 694544, 781362, 868180, 1041816, 1302270, 1562724, 1736360, 1953405, 2083632, 2604540, 3125448, 3472720, 3906810, 5209080, 6250896, 7813620, 10418160, 15627240, 31254480]

約数ペア:

[(1, 31254480), (2, 15627240), (3, 10418160), (4, 7813620), (5, 6250896), (6, 5209080), (8, 3906810), (9, 3472720), (10, 3125448), (12, 2604540), (15, 2083632), (16, 1953405), (18, 1736360), (20, 1562724), (24, 1302270), (30, 1041816), (36, 868180), (40, 781362), (45, 694544), (48, 651135), (60, 520908), (72, 434090), (80, 390681), (83, 376560), (90, 347272), (120, 260454), (144, 217045), (166, 188280), (180, 173636), (240, 130227), (249, 125520), (332, 94140), (360, 86818), (415, 75312), (498, 62760), (523, 59760), (664, 47070), (720, 43409), (747, 41840), (830, 37656), (996, 31380), (1046, 29880), (1245, 25104), (1328, 23535), (1494, 20920), (1569, 19920), (1660, 18828), (1992, 15690), (2092, 14940), (2490, 12552), (2615, 11952), (2988, 10460), (3138, 9960), (3320, 9414), (3735, 8368), (3984, 7845), (4184, 7470), (4707, 6640), (4980, 6276), (5230, 5976)]