321651760

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{7297}}^1$

素因数の和:7358

約数の個数: 80

約数和(自身を含む): 814456800

約数和(自身を除く): 492805040

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 29, 38, 40, 58, 76, 80, 95, 116, 145, 152, 190, 232, 290, 304, 380, 464, 551, 580, 760, 1102, 1160, 1520, 2204, 2320, 2755, 4408, 5510, 7297, 8816, 11020, 14594, 22040, 29188, 36485, 44080, 58376, 72970, 116752, 138643, 145940, 211613, 277286, 291880, 423226, 554572, 583760, 693215, 846452, 1058065, 1109144, 1386430, 1692904, 2116130, 2218288, 2772860, 3385808, 4020647, 4232260, 5545720, 8041294, 8464520, 11091440, 16082588, 16929040, 20103235, 32165176, 40206470, 64330352, 80412940, 160825880, 321651760]

約数ペア:

[(1, 321651760), (2, 160825880), (4, 80412940), (5, 64330352), (8, 40206470), (10, 32165176), (16, 20103235), (19, 16929040), (20, 16082588), (29, 11091440), (38, 8464520), (40, 8041294), (58, 5545720), (76, 4232260), (80, 4020647), (95, 3385808), (116, 2772860), (145, 2218288), (152, 2116130), (190, 1692904), (232, 1386430), (290, 1109144), (304, 1058065), (380, 846452), (464, 693215), (551, 583760), (580, 554572), (760, 423226), (1102, 291880), (1160, 277286), (1520, 211613), (2204, 145940), (2320, 138643), (2755, 116752), (4408, 72970), (5510, 58376), (7297, 44080), (8816, 36485), (11020, 29188), (14594, 22040)]