8680140

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{83}}^2$

素因数の和:188

約数の個数: 108

約数和(自身を含む): 30458064

約数和(自身を除く): 21777924

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, 83, 84, 90, 105, 126, 140, 166, 180, 210, 249, 252, 315, 332, 415, 420, 498, 581, 630, 747, 830, 996, 1162, 1245, 1260, 1494, 1660, 1743, 2324, 2490, 2905, 2988, 3486, 3735, 4980, 5229, 5810, 6889, 6972, 7470, 8715, 10458, 11620, 13778, 14940, 17430, 20667, 20916, 26145, 27556, 34445, 34860, 41334, 48223, 52290, 62001, 68890, 82668, 96446, 103335, 104580, 124002, 137780, 144669, 192892, 206670, 241115, 248004, 289338, 310005, 413340, 434007, 482230, 578676, 620010, 723345, 868014, 964460, 1240020, 1446690, 1736028, 2170035, 2893380, 4340070, 8680140]

約数ペア:

[(1, 8680140), (2, 4340070), (3, 2893380), (4, 2170035), (5, 1736028), (6, 1446690), (7, 1240020), (9, 964460), (10, 868014), (12, 723345), (14, 620010), (15, 578676), (18, 482230), (20, 434007), (21, 413340), (28, 310005), (30, 289338), (35, 248004), (36, 241115), (42, 206670), (45, 192892), (60, 144669), (63, 137780), (70, 124002), (83, 104580), (84, 103335), (90, 96446), (105, 82668), (126, 68890), (140, 62001), (166, 52290), (180, 48223), (210, 41334), (249, 34860), (252, 34445), (315, 27556), (332, 26145), (415, 20916), (420, 20667), (498, 17430), (581, 14940), (630, 13778), (747, 11620), (830, 10458), (996, 8715), (1162, 7470), (1245, 6972), (1260, 6889), (1494, 5810), (1660, 5229), (1743, 4980), (2324, 3735), (2490, 3486), (2905, 2988)]