31030380

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{83}}^1$

素因数の和:196

約数の個数: 144

約数和(自身を含む): 99800064

約数和(自身を除く): 68769684

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 31, 36, 45, 60, 62, 67, 83, 90, 93, 124, 134, 155, 166, 180, 186, 201, 249, 268, 279, 310, 332, 335, 372, 402, 415, 465, 498, 558, 603, 620, 670, 747, 804, 830, 930, 996, 1005, 1116, 1206, 1245, 1340, 1395, 1494, 1660, 1860, 2010, 2077, 2412, 2490, 2573, 2790, 2988, 3015, 3735, 4020, 4154, 4980, 5146, 5561, 5580, 6030, 6231, 7470, 7719, 8308, 10292, 10385, 11122, 12060, 12462, 12865, 14940, 15438, 16683, 18693, 20770, 22244, 23157, 24924, 25730, 27805, 30876, 31155, 33366, 37386, 38595, 41540, 46314, 50049, 51460, 55610, 62310, 66732, 74772, 77190, 83415, 92628, 93465, 100098, 111220, 115785, 124620, 154380, 166830, 172391, 186930, 200196, 231570, 250245, 333660, 344782, 373860, 463140, 500490, 517173, 689564, 861955, 1000980, 1034346, 1551519, 1723910, 2068692, 2585865, 3103038, 3447820, 5171730, 6206076, 7757595, 10343460, 15515190, 31030380]

約数ペア:

[(1, 31030380), (2, 15515190), (3, 10343460), (4, 7757595), (5, 6206076), (6, 5171730), (9, 3447820), (10, 3103038), (12, 2585865), (15, 2068692), (18, 1723910), (20, 1551519), (30, 1034346), (31, 1000980), (36, 861955), (45, 689564), (60, 517173), (62, 500490), (67, 463140), (83, 373860), (90, 344782), (93, 333660), (124, 250245), (134, 231570), (155, 200196), (166, 186930), (180, 172391), (186, 166830), (201, 154380), (249, 124620), (268, 115785), (279, 111220), (310, 100098), (332, 93465), (335, 92628), (372, 83415), (402, 77190), (415, 74772), (465, 66732), (498, 62310), (558, 55610), (603, 51460), (620, 50049), (670, 46314), (747, 41540), (804, 38595), (830, 37386), (930, 33366), (996, 31155), (1005, 30876), (1116, 27805), (1206, 25730), (1245, 24924), (1340, 23157), (1395, 22244), (1494, 20770), (1660, 18693), (1860, 16683), (2010, 15438), (2077, 14940), (2412, 12865), (2490, 12462), (2573, 12060), (2790, 11122), (2988, 10385), (3015, 10292), (3735, 8308), (4020, 7719), (4154, 7470), (4980, 6231), (5146, 6030), (5561, 5580)]