164448800

素因数分解:

$2^5\times 5^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{349}}^1$

素因数の和:419

約数の個数: 144

約数和(自身を含む): 437472000

約数和(自身を除く): 273023200

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 25, 31, 32, 38, 40, 50, 62, 76, 80, 95, 100, 124, 152, 155, 160, 190, 200, 248, 304, 310, 349, 380, 400, 475, 496, 589, 608, 620, 698, 760, 775, 800, 950, 992, 1178, 1240, 1396, 1520, 1550, 1745, 1900, 2356, 2480, 2792, 2945, 3040, 3100, 3490, 3800, 4712, 4960, 5584, 5890, 6200, 6631, 6980, 7600, 8725, 9424, 10819, 11168, 11780, 12400, 13262, 13960, 14725, 15200, 17450, 18848, 21638, 23560, 24800, 26524, 27920, 29450, 33155, 34900, 43276, 47120, 53048, 54095, 55840, 58900, 66310, 69800, 86552, 94240, 106096, 108190, 117800, 132620, 139600, 165775, 173104, 205561, 212192, 216380, 235600, 265240, 270475, 279200, 331550, 346208, 411122, 432760, 471200, 530480, 540950, 663100, 822244, 865520, 1027805, 1060960, 1081900, 1326200, 1644488, 1731040, 2055610, 2163800, 2652400, 3288976, 4111220, 4327600, 5139025, 5304800, 6577952, 8222440, 8655200, 10278050, 16444880, 20556100, 32889760, 41112200, 82224400, 164448800]

約数ペア:

[(1, 164448800), (2, 82224400), (4, 41112200), (5, 32889760), (8, 20556100), (10, 16444880), (16, 10278050), (19, 8655200), (20, 8222440), (25, 6577952), (31, 5304800), (32, 5139025), (38, 4327600), (40, 4111220), (50, 3288976), (62, 2652400), (76, 2163800), (80, 2055610), (95, 1731040), (100, 1644488), (124, 1326200), (152, 1081900), (155, 1060960), (160, 1027805), (190, 865520), (200, 822244), (248, 663100), (304, 540950), (310, 530480), (349, 471200), (380, 432760), (400, 411122), (475, 346208), (496, 331550), (589, 279200), (608, 270475), (620, 265240), (698, 235600), (760, 216380), (775, 212192), (800, 205561), (950, 173104), (992, 165775), (1178, 139600), (1240, 132620), (1396, 117800), (1520, 108190), (1550, 106096), (1745, 94240), (1900, 86552), (2356, 69800), (2480, 66310), (2792, 58900), (2945, 55840), (3040, 54095), (3100, 53048), (3490, 47120), (3800, 43276), (4712, 34900), (4960, 33155), (5584, 29450), (5890, 27920), (6200, 26524), (6631, 24800), (6980, 23560), (7600, 21638), (8725, 18848), (9424, 17450), (10819, 15200), (11168, 14725), (11780, 13960), (12400, 13262)]