161028420

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{1187}}^1$

素因数の和:1242

約数の個数: 192

約数和(自身を含む): 574801920

約数和(自身を除く): 413773500

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, 1187, 1190, 1292, 1330, 1428, 1596, 1615, 1785, 1938, 1995, 2261, 2374, 2380, 2660, 3230, 3561, 3570, 3876, 3990, 4522, 4748, 4845, 5935, 6460, 6783, 7122, 7140, 7980, 8309, 9044, 9690, 11305, 11870, 13566, 14244, 16618, 17805, 19380, 20179, 22553, 22610, 23740, 24927, 27132, 33236, 33915, 35610, 40358, 41545, 45106, 45220, 49854, 60537, 67659, 67830, 71220, 80716, 83090, 90212, 99708, 100895, 112765, 121074, 124635, 135318, 135660, 141253, 157871, 166180, 201790, 225530, 242148, 249270, 270636, 282506, 302685, 315742, 338295, 383401, 403580, 423759, 451060, 473613, 498540, 565012, 605370, 631484, 676590, 706265, 766802, 789355, 847518, 947226, 1150203, 1210740, 1353180, 1412530, 1533604, 1578710, 1695036, 1894452, 1917005, 2118795, 2300406, 2368065, 2683807, 2825060, 3157420, 3834010, 4237590, 4600812, 4736130, 5367614, 5751015, 7668020, 8051421, 8475180, 9472260, 10735228, 11502030, 13419035, 16102842, 23004060, 26838070, 32205684, 40257105, 53676140, 80514210, 161028420]

約数ペア:

[(1, 161028420), (2, 80514210), (3, 53676140), (4, 40257105), (5, 32205684), (6, 26838070), (7, 23004060), (10, 16102842), (12, 13419035), (14, 11502030), (15, 10735228), (17, 9472260), (19, 8475180), (20, 8051421), (21, 7668020), (28, 5751015), (30, 5367614), (34, 4736130), (35, 4600812), (38, 4237590), (42, 3834010), (51, 3157420), (57, 2825060), (60, 2683807), (68, 2368065), (70, 2300406), (76, 2118795), (84, 1917005), (85, 1894452), (95, 1695036), (102, 1578710), (105, 1533604), (114, 1412530), (119, 1353180), (133, 1210740), (140, 1150203), (170, 947226), (190, 847518), (204, 789355), (210, 766802), (228, 706265), (238, 676590), (255, 631484), (266, 605370), (285, 565012), (323, 498540), (340, 473613), (357, 451060), (380, 423759), (399, 403580), (420, 383401), (476, 338295), (510, 315742), (532, 302685), (570, 282506), (595, 270636), (646, 249270), (665, 242148), (714, 225530), (798, 201790), (969, 166180), (1020, 157871), (1140, 141253), (1187, 135660), (1190, 135318), (1292, 124635), (1330, 121074), (1428, 112765), (1596, 100895), (1615, 99708), (1785, 90212), (1938, 83090), (1995, 80716), (2261, 71220), (2374, 67830), (2380, 67659), (2660, 60537), (3230, 49854), (3561, 45220), (3570, 45106), (3876, 41545), (3990, 40358), (4522, 35610), (4748, 33915), (4845, 33236), (5935, 27132), (6460, 24927), (6783, 23740), (7122, 22610), (7140, 22553), (7980, 20179), (8309, 19380), (9044, 17805), (9690, 16618), (11305, 14244), (11870, 13566)]