72172140

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{173}}^1\times {\mathrm{409}}^1$

素因数の和:611

約数の個数: 96

約数和(自身を含む): 215732160

約数和(自身を除く): 143560020

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 20, 30, 34, 51, 60, 68, 85, 102, 170, 173, 204, 255, 340, 346, 409, 510, 519, 692, 818, 865, 1020, 1038, 1227, 1636, 1730, 2045, 2076, 2454, 2595, 2941, 3460, 4090, 4908, 5190, 5882, 6135, 6953, 8180, 8823, 10380, 11764, 12270, 13906, 14705, 17646, 20859, 24540, 27812, 29410, 34765, 35292, 41718, 44115, 58820, 69530, 70757, 83436, 88230, 104295, 139060, 141514, 176460, 208590, 212271, 283028, 353785, 417180, 424542, 707570, 849084, 1061355, 1202869, 1415140, 2122710, 2405738, 3608607, 4245420, 4811476, 6014345, 7217214, 12028690, 14434428, 18043035, 24057380, 36086070, 72172140]

約数ペア:

[(1, 72172140), (2, 36086070), (3, 24057380), (4, 18043035), (5, 14434428), (6, 12028690), (10, 7217214), (12, 6014345), (15, 4811476), (17, 4245420), (20, 3608607), (30, 2405738), (34, 2122710), (51, 1415140), (60, 1202869), (68, 1061355), (85, 849084), (102, 707570), (170, 424542), (173, 417180), (204, 353785), (255, 283028), (340, 212271), (346, 208590), (409, 176460), (510, 141514), (519, 139060), (692, 104295), (818, 88230), (865, 83436), (1020, 70757), (1038, 69530), (1227, 58820), (1636, 44115), (1730, 41718), (2045, 35292), (2076, 34765), (2454, 29410), (2595, 27812), (2941, 24540), (3460, 20859), (4090, 17646), (4908, 14705), (5190, 13906), (5882, 12270), (6135, 11764), (6953, 10380), (8180, 8823)]