320417550

素因数分解:

$2^1\times 3^2\times 5^2\times {\mathrm{31}}^1\times {\mathrm{103}}^1\times {\mathrm{223}}^1$

素因数の和:375

約数の個数: 144

約数和(自身を含む): 901275648

約数和(自身を除く): 580858098

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 25, 30, 31, 45, 50, 62, 75, 90, 93, 103, 150, 155, 186, 206, 223, 225, 279, 309, 310, 446, 450, 465, 515, 558, 618, 669, 775, 927, 930, 1030, 1115, 1338, 1395, 1545, 1550, 1854, 2007, 2230, 2325, 2575, 2790, 3090, 3193, 3345, 4014, 4635, 4650, 5150, 5575, 6386, 6690, 6913, 6975, 7725, 9270, 9579, 10035, 11150, 13826, 13950, 15450, 15965, 16725, 19158, 20070, 20739, 22969, 23175, 28737, 31930, 33450, 34565, 41478, 45938, 46350, 47895, 50175, 57474, 62217, 68907, 69130, 79825, 95790, 100350, 103695, 114845, 124434, 137814, 143685, 159650, 172825, 206721, 207390, 229690, 239475, 287370, 311085, 344535, 345650, 413442, 478950, 518475, 574225, 622170, 689070, 712039, 718425, 1033605, 1036950, 1148450, 1424078, 1436850, 1555425, 1722675, 2067210, 2136117, 3110850, 3445350, 3560195, 4272234, 5168025, 6408351, 7120390, 10336050, 10680585, 12816702, 17800975, 21361170, 32041755, 35601950, 53402925, 64083510, 106805850, 160208775, 320417550]

約数ペア:

[(1, 320417550), (2, 160208775), (3, 106805850), (5, 64083510), (6, 53402925), (9, 35601950), (10, 32041755), (15, 21361170), (18, 17800975), (25, 12816702), (30, 10680585), (31, 10336050), (45, 7120390), (50, 6408351), (62, 5168025), (75, 4272234), (90, 3560195), (93, 3445350), (103, 3110850), (150, 2136117), (155, 2067210), (186, 1722675), (206, 1555425), (223, 1436850), (225, 1424078), (279, 1148450), (309, 1036950), (310, 1033605), (446, 718425), (450, 712039), (465, 689070), (515, 622170), (558, 574225), (618, 518475), (669, 478950), (775, 413442), (927, 345650), (930, 344535), (1030, 311085), (1115, 287370), (1338, 239475), (1395, 229690), (1545, 207390), (1550, 206721), (1854, 172825), (2007, 159650), (2230, 143685), (2325, 137814), (2575, 124434), (2790, 114845), (3090, 103695), (3193, 100350), (3345, 95790), (4014, 79825), (4635, 69130), (4650, 68907), (5150, 62217), (5575, 57474), (6386, 50175), (6690, 47895), (6913, 46350), (6975, 45938), (7725, 41478), (9270, 34565), (9579, 33450), (10035, 31930), (11150, 28737), (13826, 23175), (13950, 22969), (15450, 20739), (15965, 20070), (16725, 19158)]