130321520

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{7507}}^1$

素因数の和:7558

約数の個数: 80

約数和(自身を含む): 357500928

約数和(自身を除く): 227179408

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 35, 40, 56, 62, 70, 80, 112, 124, 140, 155, 217, 248, 280, 310, 434, 496, 560, 620, 868, 1085, 1240, 1736, 2170, 2480, 3472, 4340, 7507, 8680, 15014, 17360, 30028, 37535, 52549, 60056, 75070, 105098, 120112, 150140, 210196, 232717, 262745, 300280, 420392, 465434, 525490, 600560, 840784, 930868, 1050980, 1163585, 1629019, 1861736, 2101960, 2327170, 3258038, 3723472, 4203920, 4654340, 6516076, 8145095, 9308680, 13032152, 16290190, 18617360, 26064304, 32580380, 65160760, 130321520]

約数ペア:

[(1, 130321520), (2, 65160760), (4, 32580380), (5, 26064304), (7, 18617360), (8, 16290190), (10, 13032152), (14, 9308680), (16, 8145095), (20, 6516076), (28, 4654340), (31, 4203920), (35, 3723472), (40, 3258038), (56, 2327170), (62, 2101960), (70, 1861736), (80, 1629019), (112, 1163585), (124, 1050980), (140, 930868), (155, 840784), (217, 600560), (248, 525490), (280, 465434), (310, 420392), (434, 300280), (496, 262745), (560, 232717), (620, 210196), (868, 150140), (1085, 120112), (1240, 105098), (1736, 75070), (2170, 60056), (2480, 52549), (3472, 37535), (4340, 30028), (7507, 17360), (8680, 15014)]