931440420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{272351}}^1$

素因数の和:272385

約数の個数: 72

約数和(自身を含む): 2974083840

約数和(自身を除く): 2042643420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 30, 36, 38, 45, 57, 60, 76, 90, 95, 114, 171, 180, 190, 228, 285, 342, 380, 570, 684, 855, 1140, 1710, 3420, 272351, 544702, 817053, 1089404, 1361755, 1634106, 2451159, 2723510, 3268212, 4085265, 4902318, 5174669, 5447020, 8170530, 9804636, 10349338, 12255795, 15524007, 16341060, 20698676, 24511590, 25873345, 31048014, 46572021, 49023180, 51746690, 62096028, 77620035, 93144042, 103493380, 155240070, 186288084, 232860105, 310480140, 465720210, 931440420]

約数ペア:

[(1, 931440420), (2, 465720210), (3, 310480140), (4, 232860105), (5, 186288084), (6, 155240070), (9, 103493380), (10, 93144042), (12, 77620035), (15, 62096028), (18, 51746690), (19, 49023180), (20, 46572021), (30, 31048014), (36, 25873345), (38, 24511590), (45, 20698676), (57, 16341060), (60, 15524007), (76, 12255795), (90, 10349338), (95, 9804636), (114, 8170530), (171, 5447020), (180, 5174669), (190, 4902318), (228, 4085265), (285, 3268212), (342, 2723510), (380, 2451159), (570, 1634106), (684, 1361755), (855, 1089404), (1140, 817053), (1710, 544702), (3420, 272351)]