1219465600

素因数分解:

$2^7\times 5^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{647}}^1$

素因数の和:721

約数の個数: 192

約数和(自身を含む): 3278361600

約数和(自身を除く): 2058896000

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 25, 31, 32, 38, 40, 50, 62, 64, 76, 80, 95, 100, 124, 128, 152, 155, 160, 190, 200, 248, 304, 310, 320, 380, 400, 475, 496, 589, 608, 620, 640, 647, 760, 775, 800, 950, 992, 1178, 1216, 1240, 1294, 1520, 1550, 1600, 1900, 1984, 2356, 2432, 2480, 2588, 2945, 3040, 3100, 3200, 3235, 3800, 3968, 4712, 4960, 5176, 5890, 6080, 6200, 6470, 7600, 9424, 9920, 10352, 11780, 12160, 12293, 12400, 12940, 14725, 15200, 16175, 18848, 19840, 20057, 20704, 23560, 24586, 24800, 25880, 29450, 30400, 32350, 37696, 40114, 41408, 47120, 49172, 49600, 51760, 58900, 60800, 61465, 64700, 75392, 80228, 82816, 94240, 98344, 99200, 100285, 103520, 117800, 122930, 129400, 160456, 188480, 196688, 200570, 207040, 235600, 245860, 258800, 307325, 320912, 376960, 381083, 393376, 401140, 414080, 471200, 491720, 501425, 517600, 614650, 641824, 762166, 786752, 802280, 942400, 983440, 1002850, 1035200, 1229300, 1283648, 1524332, 1573504, 1604560, 1884800, 1905415, 1966880, 2005700, 2070400, 2458600, 2567296, 3048664, 3209120, 3810830, 3933760, 4011400, 4917200, 6097328, 6418240, 7621660, 7867520, 8022800, 9527075, 9834400, 12194656, 12836480, 15243320, 16045600, 19054150, 19668800, 24389312, 30486640, 32091200, 38108300, 39337600, 48778624, 60973280, 64182400, 76216600, 121946560, 152433200, 243893120, 304866400, 609732800, 1219465600]

約数ペア:

[(1, 1219465600), (2, 609732800), (4, 304866400), (5, 243893120), (8, 152433200), (10, 121946560), (16, 76216600), (19, 64182400), (20, 60973280), (25, 48778624), (31, 39337600), (32, 38108300), (38, 32091200), (40, 30486640), (50, 24389312), (62, 19668800), (64, 19054150), (76, 16045600), (80, 15243320), (95, 12836480), (100, 12194656), (124, 9834400), (128, 9527075), (152, 8022800), (155, 7867520), (160, 7621660), (190, 6418240), (200, 6097328), (248, 4917200), (304, 4011400), (310, 3933760), (320, 3810830), (380, 3209120), (400, 3048664), (475, 2567296), (496, 2458600), (589, 2070400), (608, 2005700), (620, 1966880), (640, 1905415), (647, 1884800), (760, 1604560), (775, 1573504), (800, 1524332), (950, 1283648), (992, 1229300), (1178, 1035200), (1216, 1002850), (1240, 983440), (1294, 942400), (1520, 802280), (1550, 786752), (1600, 762166), (1900, 641824), (1984, 614650), (2356, 517600), (2432, 501425), (2480, 491720), (2588, 471200), (2945, 414080), (3040, 401140), (3100, 393376), (3200, 381083), (3235, 376960), (3800, 320912), (3968, 307325), (4712, 258800), (4960, 245860), (5176, 235600), (5890, 207040), (6080, 200570), (6200, 196688), (6470, 188480), (7600, 160456), (9424, 129400), (9920, 122930), (10352, 117800), (11780, 103520), (12160, 100285), (12293, 99200), (12400, 98344), (12940, 94240), (14725, 82816), (15200, 80228), (16175, 75392), (18848, 64700), (19840, 61465), (20057, 60800), (20704, 58900), (23560, 51760), (24586, 49600), (24800, 49172), (25880, 47120), (29450, 41408), (30400, 40114), (32350, 37696)]