2019367980

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{20287}}^1$

素因数の和:20388

約数の個数: 144

約数和(自身を含む): 7089438720

約数和(自身を除く): 5070070740

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, 79, 84, 90, 105, 126, 140, 158, 180, 210, 237, 252, 315, 316, 395, 420, 474, 553, 630, 711, 790, 948, 1106, 1185, 1260, 1422, 1580, 1659, 2212, 2370, 2765, 2844, 3318, 3555, 4740, 4977, 5530, 6636, 7110, 8295, 9954, 11060, 14220, 16590, 19908, 20287, 24885, 33180, 40574, 49770, 60861, 81148, 99540, 101435, 121722, 142009, 182583, 202870, 243444, 284018, 304305, 365166, 405740, 426027, 568036, 608610, 710045, 730332, 852054, 912915, 1217220, 1278081, 1420090, 1602673, 1704108, 1825830, 2130135, 2556162, 2840180, 3205346, 3651660, 4260270, 4808019, 5112324, 6390405, 6410692, 8013365, 8520540, 9616038, 11218711, 12780810, 14424057, 16026730, 19232076, 22437422, 24040095, 25561620, 28848114, 32053460, 33656133, 44874844, 48080190, 56093555, 57696228, 67312266, 72120285, 96160380, 100968399, 112187110, 134624532, 144240570, 168280665, 201936798, 224374220, 288481140, 336561330, 403873596, 504841995, 673122660, 1009683990, 2019367980]

約数ペア:

[(1, 2019367980), (2, 1009683990), (3, 673122660), (4, 504841995), (5, 403873596), (6, 336561330), (7, 288481140), (9, 224374220), (10, 201936798), (12, 168280665), (14, 144240570), (15, 134624532), (18, 112187110), (20, 100968399), (21, 96160380), (28, 72120285), (30, 67312266), (35, 57696228), (36, 56093555), (42, 48080190), (45, 44874844), (60, 33656133), (63, 32053460), (70, 28848114), (79, 25561620), (84, 24040095), (90, 22437422), (105, 19232076), (126, 16026730), (140, 14424057), (158, 12780810), (180, 11218711), (210, 9616038), (237, 8520540), (252, 8013365), (315, 6410692), (316, 6390405), (395, 5112324), (420, 4808019), (474, 4260270), (553, 3651660), (630, 3205346), (711, 2840180), (790, 2556162), (948, 2130135), (1106, 1825830), (1185, 1704108), (1260, 1602673), (1422, 1420090), (1580, 1278081), (1659, 1217220), (2212, 912915), (2370, 852054), (2765, 730332), (2844, 710045), (3318, 608610), (3555, 568036), (4740, 426027), (4977, 405740), (5530, 365166), (6636, 304305), (7110, 284018), (8295, 243444), (9954, 202870), (11060, 182583), (14220, 142009), (16590, 121722), (19908, 101435), (20287, 99540), (24885, 81148), (33180, 60861), (40574, 49770)]