1619071720

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{26647}}^1$

素因数の和:26703

約数の個数: 96

約数和(自身を含む): 4374535680

約数和(自身を除く): 2755463960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 31, 35, 40, 49, 56, 62, 70, 98, 124, 140, 155, 196, 217, 245, 248, 280, 310, 392, 434, 490, 620, 868, 980, 1085, 1240, 1519, 1736, 1960, 2170, 3038, 4340, 6076, 7595, 8680, 12152, 15190, 26647, 30380, 53294, 60760, 106588, 133235, 186529, 213176, 266470, 373058, 532940, 746116, 826057, 932645, 1065880, 1305703, 1492232, 1652114, 1865290, 2611406, 3304228, 3730580, 4130285, 5222812, 5782399, 6528515, 6608456, 7461160, 8260570, 10445624, 11564798, 13057030, 16521140, 23129596, 26114060, 28911995, 33042280, 40476793, 46259192, 52228120, 57823990, 80953586, 115647980, 161907172, 202383965, 231295960, 323814344, 404767930, 809535860, 1619071720]

約数ペア:

[(1, 1619071720), (2, 809535860), (4, 404767930), (5, 323814344), (7, 231295960), (8, 202383965), (10, 161907172), (14, 115647980), (20, 80953586), (28, 57823990), (31, 52228120), (35, 46259192), (40, 40476793), (49, 33042280), (56, 28911995), (62, 26114060), (70, 23129596), (98, 16521140), (124, 13057030), (140, 11564798), (155, 10445624), (196, 8260570), (217, 7461160), (245, 6608456), (248, 6528515), (280, 5782399), (310, 5222812), (392, 4130285), (434, 3730580), (490, 3304228), (620, 2611406), (868, 1865290), (980, 1652114), (1085, 1492232), (1240, 1305703), (1519, 1065880), (1736, 932645), (1960, 826057), (2170, 746116), (3038, 532940), (4340, 373058), (6076, 266470), (7595, 213176), (8680, 186529), (12152, 133235), (15190, 106588), (26647, 60760), (30380, 53294)]