7230440

素因数分解:

$2^3\times 5^1\times 7^3\times {\mathrm{17}}^1\times {\mathrm{31}}^1$

素因数の和:80

約数の個数: 128

約数和(自身を含む): 20736000

約数和(自身を除く): 13505560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 17, 20, 28, 31, 34, 35, 40, 49, 56, 62, 68, 70, 85, 98, 119, 124, 136, 140, 155, 170, 196, 217, 238, 245, 248, 280, 310, 340, 343, 392, 434, 476, 490, 527, 595, 620, 680, 686, 833, 868, 952, 980, 1054, 1085, 1190, 1240, 1372, 1519, 1666, 1715, 1736, 1960, 2108, 2170, 2380, 2635, 2744, 3038, 3332, 3430, 3689, 4165, 4216, 4340, 4760, 5270, 5831, 6076, 6664, 6860, 7378, 7595, 8330, 8680, 10540, 10633, 11662, 12152, 13720, 14756, 15190, 16660, 18445, 21080, 21266, 23324, 25823, 29155, 29512, 30380, 33320, 36890, 42532, 46648, 51646, 53165, 58310, 60760, 73780, 85064, 103292, 106330, 116620, 129115, 147560, 180761, 206584, 212660, 233240, 258230, 361522, 425320, 516460, 723044, 903805, 1032920, 1446088, 1807610, 3615220, 7230440]

約数ペア:

[(1, 7230440), (2, 3615220), (4, 1807610), (5, 1446088), (7, 1032920), (8, 903805), (10, 723044), (14, 516460), (17, 425320), (20, 361522), (28, 258230), (31, 233240), (34, 212660), (35, 206584), (40, 180761), (49, 147560), (56, 129115), (62, 116620), (68, 106330), (70, 103292), (85, 85064), (98, 73780), (119, 60760), (124, 58310), (136, 53165), (140, 51646), (155, 46648), (170, 42532), (196, 36890), (217, 33320), (238, 30380), (245, 29512), (248, 29155), (280, 25823), (310, 23324), (340, 21266), (343, 21080), (392, 18445), (434, 16660), (476, 15190), (490, 14756), (527, 13720), (595, 12152), (620, 11662), (680, 10633), (686, 10540), (833, 8680), (868, 8330), (952, 7595), (980, 7378), (1054, 6860), (1085, 6664), (1190, 6076), (1240, 5831), (1372, 5270), (1519, 4760), (1666, 4340), (1715, 4216), (1736, 4165), (1960, 3689), (2108, 3430), (2170, 3332), (2380, 3038), (2635, 2744)]