212156820

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{173}}^1\times {\mathrm{757}}^1$

素因数の和:951

約数の個数: 120

約数和(自身を含む): 670275144

約数和(自身を除く): 458118324

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 135, 162, 173, 180, 270, 324, 346, 405, 519, 540, 692, 757, 810, 865, 1038, 1514, 1557, 1620, 1730, 2076, 2271, 2595, 3028, 3114, 3460, 3785, 4542, 4671, 5190, 6228, 6813, 7570, 7785, 9084, 9342, 10380, 11355, 13626, 14013, 15140, 15570, 18684, 20439, 22710, 23355, 27252, 28026, 31140, 34065, 40878, 45420, 46710, 56052, 61317, 68130, 70065, 81756, 93420, 102195, 122634, 130961, 136260, 140130, 204390, 245268, 261922, 280260, 306585, 392883, 408780, 523844, 613170, 654805, 785766, 1178649, 1226340, 1309610, 1571532, 1964415, 2357298, 2619220, 3535947, 3928830, 4714596, 5893245, 7071894, 7857660, 10607841, 11786490, 14143788, 17679735, 21215682, 23572980, 35359470, 42431364, 53039205, 70718940, 106078410, 212156820]

約数ペア:

[(1, 212156820), (2, 106078410), (3, 70718940), (4, 53039205), (5, 42431364), (6, 35359470), (9, 23572980), (10, 21215682), (12, 17679735), (15, 14143788), (18, 11786490), (20, 10607841), (27, 7857660), (30, 7071894), (36, 5893245), (45, 4714596), (54, 3928830), (60, 3535947), (81, 2619220), (90, 2357298), (108, 1964415), (135, 1571532), (162, 1309610), (173, 1226340), (180, 1178649), (270, 785766), (324, 654805), (346, 613170), (405, 523844), (519, 408780), (540, 392883), (692, 306585), (757, 280260), (810, 261922), (865, 245268), (1038, 204390), (1514, 140130), (1557, 136260), (1620, 130961), (1730, 122634), (2076, 102195), (2271, 93420), (2595, 81756), (3028, 70065), (3114, 68130), (3460, 61317), (3785, 56052), (4542, 46710), (4671, 45420), (5190, 40878), (6228, 34065), (6813, 31140), (7570, 28026), (7785, 27252), (9084, 23355), (9342, 22710), (10380, 20439), (11355, 18684), (13626, 15570), (14013, 15140)]