20130180420

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{148387}}^1$

素因数の和:148442

約数の個数: 192

約数和(自身を含む): 71796049920

約数和(自身を除く): 51665869500

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 17, 19, 20, 21, 28, 30, 34, 35, 38, 42, 51, 57, 60, 68, 70, 76, 84, 85, 95, 102, 105, 114, 119, 133, 140, 170, 190, 204, 210, 228, 238, 255, 266, 285, 323, 340, 357, 380, 399, 420, 476, 510, 532, 570, 595, 646, 665, 714, 798, 969, 1020, 1140, 1190, 1292, 1330, 1428, 1596, 1615, 1785, 1938, 1995, 2261, 2380, 2660, 3230, 3570, 3876, 3990, 4522, 4845, 6460, 6783, 7140, 7980, 9044, 9690, 11305, 13566, 19380, 22610, 27132, 33915, 45220, 67830, 135660, 148387, 296774, 445161, 593548, 741935, 890322, 1038709, 1483870, 1780644, 2077418, 2225805, 2522579, 2819353, 2967740, 3116127, 4154836, 4451610, 5045158, 5193545, 5638706, 6232254, 7567737, 8458059, 8903220, 10090316, 10387090, 11277412, 12464508, 12612895, 14096765, 15135474, 15580635, 16916118, 17658053, 19735471, 20774180, 25225790, 28193530, 30270948, 31161270, 33832236, 35316106, 37838685, 39470942, 42290295, 47929001, 50451580, 52974159, 56387060, 59206413, 62322540, 70632212, 75677370, 78941884, 84580590, 88290265, 95858002, 98677355, 105948318, 118412826, 143787003, 151354740, 169161180, 176580530, 191716004, 197354710, 211896636, 236825652, 239645005, 264870795, 287574006, 296032065, 335503007, 353161060, 394709420, 479290010, 529741590, 575148012, 592064130, 671006014, 718935015, 958580020, 1006509021, 1059483180, 1184128260, 1342012028, 1437870030, 1677515035, 2013018042, 2875740060, 3355030070, 4026036084, 5032545105, 6710060140, 10065090210, 20130180420]

約数ペア:

[(1, 20130180420), (2, 10065090210), (3, 6710060140), (4, 5032545105), (5, 4026036084), (6, 3355030070), (7, 2875740060), (10, 2013018042), (12, 1677515035), (14, 1437870030), (15, 1342012028), (17, 1184128260), (19, 1059483180), (20, 1006509021), (21, 958580020), (28, 718935015), (30, 671006014), (34, 592064130), (35, 575148012), (38, 529741590), (42, 479290010), (51, 394709420), (57, 353161060), (60, 335503007), (68, 296032065), (70, 287574006), (76, 264870795), (84, 239645005), (85, 236825652), (95, 211896636), (102, 197354710), (105, 191716004), (114, 176580530), (119, 169161180), (133, 151354740), (140, 143787003), (170, 118412826), (190, 105948318), (204, 98677355), (210, 95858002), (228, 88290265), (238, 84580590), (255, 78941884), (266, 75677370), (285, 70632212), (323, 62322540), (340, 59206413), (357, 56387060), (380, 52974159), (399, 50451580), (420, 47929001), (476, 42290295), (510, 39470942), (532, 37838685), (570, 35316106), (595, 33832236), (646, 31161270), (665, 30270948), (714, 28193530), (798, 25225790), (969, 20774180), (1020, 19735471), (1140, 17658053), (1190, 16916118), (1292, 15580635), (1330, 15135474), (1428, 14096765), (1596, 12612895), (1615, 12464508), (1785, 11277412), (1938, 10387090), (1995, 10090316), (2261, 8903220), (2380, 8458059), (2660, 7567737), (3230, 6232254), (3570, 5638706), (3876, 5193545), (3990, 5045158), (4522, 4451610), (4845, 4154836), (6460, 3116127), (6783, 2967740), (7140, 2819353), (7980, 2522579), (9044, 2225805), (9690, 2077418), (11305, 1780644), (13566, 1483870), (19380, 1038709), (22610, 890322), (27132, 741935), (33915, 593548), (45220, 445161), (67830, 296774), (135660, 148387)]