281156670

素因数分解:

$2^1\times 3^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{11197}}^1$

素因数の和:11247

約数の個数: 80

約数和(自身を含む): 780455808

約数和(自身を除く): 499299138

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 31, 45, 54, 62, 81, 90, 93, 135, 155, 162, 186, 270, 279, 310, 405, 465, 558, 810, 837, 930, 1395, 1674, 2511, 2790, 4185, 5022, 8370, 11197, 12555, 22394, 25110, 33591, 55985, 67182, 100773, 111970, 167955, 201546, 302319, 335910, 347107, 503865, 604638, 694214, 906957, 1007730, 1041321, 1511595, 1735535, 1813914, 2082642, 3023190, 3123963, 3471070, 4534785, 5206605, 6247926, 9069570, 9371889, 10413210, 15619815, 18743778, 28115667, 31239630, 46859445, 56231334, 93718890, 140578335, 281156670]

約数ペア:

[(1, 281156670), (2, 140578335), (3, 93718890), (5, 56231334), (6, 46859445), (9, 31239630), (10, 28115667), (15, 18743778), (18, 15619815), (27, 10413210), (30, 9371889), (31, 9069570), (45, 6247926), (54, 5206605), (62, 4534785), (81, 3471070), (90, 3123963), (93, 3023190), (135, 2082642), (155, 1813914), (162, 1735535), (186, 1511595), (270, 1041321), (279, 1007730), (310, 906957), (405, 694214), (465, 604638), (558, 503865), (810, 347107), (837, 335910), (930, 302319), (1395, 201546), (1674, 167955), (2511, 111970), (2790, 100773), (4185, 67182), (5022, 55985), (8370, 33591), (11197, 25110), (12555, 22394)]