180648780

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^2\times {\mathrm{241}}^1$

素因数の和:328

約数の個数: 144

約数和(自身を含む): 565199712

約数和(自身を除く): 384550932

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 31, 39, 52, 60, 62, 65, 78, 93, 124, 130, 155, 156, 186, 195, 241, 260, 310, 372, 390, 403, 465, 482, 620, 723, 780, 806, 930, 961, 964, 1205, 1209, 1446, 1612, 1860, 1922, 2015, 2410, 2418, 2883, 2892, 3133, 3615, 3844, 4030, 4805, 4820, 4836, 5766, 6045, 6266, 7230, 7471, 8060, 9399, 9610, 11532, 12090, 12493, 12532, 14415, 14460, 14942, 15665, 18798, 19220, 22413, 24180, 24986, 28830, 29884, 31330, 37355, 37479, 37596, 44826, 46995, 49972, 57660, 62465, 62660, 74710, 74958, 89652, 93990, 97123, 112065, 124930, 149420, 149916, 187395, 187980, 194246, 224130, 231601, 249860, 291369, 374790, 388492, 448260, 463202, 485615, 582738, 694803, 749580, 926404, 971230, 1158005, 1165476, 1389606, 1456845, 1942460, 2316010, 2779212, 2913690, 3010813, 3474015, 4632020, 5827380, 6021626, 6948030, 9032439, 12043252, 13896060, 15054065, 18064878, 30108130, 36129756, 45162195, 60216260, 90324390, 180648780]

約数ペア:

[(1, 180648780), (2, 90324390), (3, 60216260), (4, 45162195), (5, 36129756), (6, 30108130), (10, 18064878), (12, 15054065), (13, 13896060), (15, 12043252), (20, 9032439), (26, 6948030), (30, 6021626), (31, 5827380), (39, 4632020), (52, 3474015), (60, 3010813), (62, 2913690), (65, 2779212), (78, 2316010), (93, 1942460), (124, 1456845), (130, 1389606), (155, 1165476), (156, 1158005), (186, 971230), (195, 926404), (241, 749580), (260, 694803), (310, 582738), (372, 485615), (390, 463202), (403, 448260), (465, 388492), (482, 374790), (620, 291369), (723, 249860), (780, 231601), (806, 224130), (930, 194246), (961, 187980), (964, 187395), (1205, 149916), (1209, 149420), (1446, 124930), (1612, 112065), (1860, 97123), (1922, 93990), (2015, 89652), (2410, 74958), (2418, 74710), (2883, 62660), (2892, 62465), (3133, 57660), (3615, 49972), (3844, 46995), (4030, 44826), (4805, 37596), (4820, 37479), (4836, 37355), (5766, 31330), (6045, 29884), (6266, 28830), (7230, 24986), (7471, 24180), (8060, 22413), (9399, 19220), (9610, 18798), (11532, 15665), (12090, 14942), (12493, 14460), (12532, 14415)]