15640380

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{12413}}^1$

素因数の和:12435

約数の個数: 72

約数和(自身を含む): 54224352

約数和(自身を除く): 38583972

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 12413, 24826, 37239, 49652, 62065, 74478, 86891, 111717, 124130, 148956, 173782, 186195, 223434, 248260, 260673, 347564, 372390, 434455, 446868, 521346, 558585, 744780, 782019, 868910, 1042692, 1117170, 1303365, 1564038, 1737820, 2234340, 2606730, 3128076, 3910095, 5213460, 7820190, 15640380]

約数ペア:

[(1, 15640380), (2, 7820190), (3, 5213460), (4, 3910095), (5, 3128076), (6, 2606730), (7, 2234340), (9, 1737820), (10, 1564038), (12, 1303365), (14, 1117170), (15, 1042692), (18, 868910), (20, 782019), (21, 744780), (28, 558585), (30, 521346), (35, 446868), (36, 434455), (42, 372390), (45, 347564), (60, 260673), (63, 248260), (70, 223434), (84, 186195), (90, 173782), (105, 148956), (126, 124130), (140, 111717), (180, 86891), (210, 74478), (252, 62065), (315, 49652), (420, 37239), (630, 24826), (1260, 12413)]