120720400

素因数分解:

$2^4\times 5^2\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{433}}^1$

素因数の和:509

約数の個数: 120

約数和(自身を含む): 315307944

約数和(自身を除く): 194587544

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 25, 34, 40, 41, 50, 68, 80, 82, 85, 100, 136, 164, 170, 200, 205, 272, 328, 340, 400, 410, 425, 433, 656, 680, 697, 820, 850, 866, 1025, 1360, 1394, 1640, 1700, 1732, 2050, 2165, 2788, 3280, 3400, 3464, 3485, 4100, 4330, 5576, 6800, 6928, 6970, 7361, 8200, 8660, 10825, 11152, 13940, 14722, 16400, 17320, 17425, 17753, 21650, 27880, 29444, 34640, 34850, 35506, 36805, 43300, 55760, 58888, 69700, 71012, 73610, 86600, 88765, 117776, 139400, 142024, 147220, 173200, 177530, 184025, 278800, 284048, 294440, 301801, 355060, 368050, 443825, 588880, 603602, 710120, 736100, 887650, 1207204, 1420240, 1472200, 1509005, 1775300, 2414408, 2944400, 3018010, 3550600, 4828816, 6036020, 7101200, 7545025, 12072040, 15090050, 24144080, 30180100, 60360200, 120720400]

約数ペア:

[(1, 120720400), (2, 60360200), (4, 30180100), (5, 24144080), (8, 15090050), (10, 12072040), (16, 7545025), (17, 7101200), (20, 6036020), (25, 4828816), (34, 3550600), (40, 3018010), (41, 2944400), (50, 2414408), (68, 1775300), (80, 1509005), (82, 1472200), (85, 1420240), (100, 1207204), (136, 887650), (164, 736100), (170, 710120), (200, 603602), (205, 588880), (272, 443825), (328, 368050), (340, 355060), (400, 301801), (410, 294440), (425, 284048), (433, 278800), (656, 184025), (680, 177530), (697, 173200), (820, 147220), (850, 142024), (866, 139400), (1025, 117776), (1360, 88765), (1394, 86600), (1640, 73610), (1700, 71012), (1732, 69700), (2050, 58888), (2165, 55760), (2788, 43300), (3280, 36805), (3400, 35506), (3464, 34850), (3485, 34640), (4100, 29444), (4330, 27880), (5576, 21650), (6800, 17753), (6928, 17425), (6970, 17320), (7361, 16400), (8200, 14722), (8660, 13940), (10825, 11152)]