228294540

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{163}}^1\times {\mathrm{251}}^1$

素因数の和:460

約数の個数: 144

約数和(自身を含む): 722082816

約数和(自身を除く): 493788276

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 31, 36, 45, 60, 62, 90, 93, 124, 155, 163, 180, 186, 251, 279, 310, 326, 372, 465, 489, 502, 558, 620, 652, 753, 815, 930, 978, 1004, 1116, 1255, 1395, 1467, 1506, 1630, 1860, 1956, 2259, 2445, 2510, 2790, 2934, 3012, 3260, 3765, 4518, 4890, 5020, 5053, 5580, 5868, 7335, 7530, 7781, 9036, 9780, 10106, 11295, 14670, 15060, 15159, 15562, 20212, 22590, 23343, 25265, 29340, 30318, 31124, 38905, 40913, 45180, 45477, 46686, 50530, 60636, 70029, 75795, 77810, 81826, 90954, 93372, 101060, 116715, 122739, 140058, 151590, 155620, 163652, 181908, 204565, 227385, 233430, 245478, 280116, 303180, 350145, 368217, 409130, 454770, 466860, 490956, 613695, 700290, 736434, 818260, 909540, 1227390, 1268303, 1400580, 1472868, 1841085, 2454780, 2536606, 3682170, 3804909, 5073212, 6341515, 7364340, 7609818, 11414727, 12683030, 15219636, 19024545, 22829454, 25366060, 38049090, 45658908, 57073635, 76098180, 114147270, 228294540]

約数ペア:

[(1, 228294540), (2, 114147270), (3, 76098180), (4, 57073635), (5, 45658908), (6, 38049090), (9, 25366060), (10, 22829454), (12, 19024545), (15, 15219636), (18, 12683030), (20, 11414727), (30, 7609818), (31, 7364340), (36, 6341515), (45, 5073212), (60, 3804909), (62, 3682170), (90, 2536606), (93, 2454780), (124, 1841085), (155, 1472868), (163, 1400580), (180, 1268303), (186, 1227390), (251, 909540), (279, 818260), (310, 736434), (326, 700290), (372, 613695), (465, 490956), (489, 466860), (502, 454770), (558, 409130), (620, 368217), (652, 350145), (753, 303180), (815, 280116), (930, 245478), (978, 233430), (1004, 227385), (1116, 204565), (1255, 181908), (1395, 163652), (1467, 155620), (1506, 151590), (1630, 140058), (1860, 122739), (1956, 116715), (2259, 101060), (2445, 93372), (2510, 90954), (2790, 81826), (2934, 77810), (3012, 75795), (3260, 70029), (3765, 60636), (4518, 50530), (4890, 46686), (5020, 45477), (5053, 45180), (5580, 40913), (5868, 38905), (7335, 31124), (7530, 30318), (7781, 29340), (9036, 25265), (9780, 23343), (10106, 22590), (11295, 20212), (14670, 15562), (15060, 15159)]