31303440

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{6211}}^1$

素因数の和:6237

約数の個数: 120

約数和(自身を含む): 120164928

約数和(自身を除く): 88861488

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 48, 56, 60, 63, 70, 72, 80, 84, 90, 105, 112, 120, 126, 140, 144, 168, 180, 210, 240, 252, 280, 315, 336, 360, 420, 504, 560, 630, 720, 840, 1008, 1260, 1680, 2520, 5040, 6211, 12422, 18633, 24844, 31055, 37266, 43477, 49688, 55899, 62110, 74532, 86954, 93165, 99376, 111798, 124220, 130431, 149064, 173908, 186330, 217385, 223596, 248440, 260862, 279495, 298128, 347816, 372660, 391293, 434770, 447192, 496880, 521724, 558990, 652155, 695632, 745320, 782586, 869540, 894384, 1043448, 1117980, 1304310, 1490640, 1565172, 1739080, 1956465, 2086896, 2235960, 2608620, 3130344, 3478160, 3912930, 4471920, 5217240, 6260688, 7825860, 10434480, 15651720, 31303440]

約数ペア:

[(1, 31303440), (2, 15651720), (3, 10434480), (4, 7825860), (5, 6260688), (6, 5217240), (7, 4471920), (8, 3912930), (9, 3478160), (10, 3130344), (12, 2608620), (14, 2235960), (15, 2086896), (16, 1956465), (18, 1739080), (20, 1565172), (21, 1490640), (24, 1304310), (28, 1117980), (30, 1043448), (35, 894384), (36, 869540), (40, 782586), (42, 745320), (45, 695632), (48, 652155), (56, 558990), (60, 521724), (63, 496880), (70, 447192), (72, 434770), (80, 391293), (84, 372660), (90, 347816), (105, 298128), (112, 279495), (120, 260862), (126, 248440), (140, 223596), (144, 217385), (168, 186330), (180, 173908), (210, 149064), (240, 130431), (252, 124220), (280, 111798), (315, 99376), (336, 93165), (360, 86954), (420, 74532), (504, 62110), (560, 55899), (630, 49688), (720, 43477), (840, 37266), (1008, 31055), (1260, 24844), (1680, 18633), (2520, 12422), (5040, 6211)]