1728930080

素因数分解:

$2^5\times 5^1\times {\mathrm{19}}^2\times {\mathrm{37}}^1\times {\mathrm{809}}^1$

素因数の和:899

約数の個数: 144

約数和(自身を含む): 4432874040

約数和(自身を除く): 2703943960

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 37, 38, 40, 74, 76, 80, 95, 148, 152, 160, 185, 190, 296, 304, 361, 370, 380, 592, 608, 703, 722, 740, 760, 809, 1184, 1406, 1444, 1480, 1520, 1618, 1805, 2812, 2888, 2960, 3040, 3236, 3515, 3610, 4045, 5624, 5776, 5920, 6472, 7030, 7220, 8090, 11248, 11552, 12944, 13357, 14060, 14440, 15371, 16180, 22496, 25888, 26714, 28120, 28880, 29933, 30742, 32360, 53428, 56240, 57760, 59866, 61484, 64720, 66785, 76855, 106856, 112480, 119732, 122968, 129440, 133570, 149665, 153710, 213712, 239464, 245936, 267140, 292049, 299330, 307420, 427424, 478928, 491872, 534280, 568727, 584098, 598660, 614840, 957856, 1068560, 1137454, 1168196, 1197320, 1229680, 1460245, 2137120, 2274908, 2336392, 2394640, 2459360, 2843635, 2920490, 4549816, 4672784, 4789280, 5687270, 5840980, 9099632, 9345568, 10805813, 11374540, 11681960, 18199264, 21611626, 22749080, 23363920, 43223252, 45498160, 46727840, 54029065, 86446504, 90996320, 108058130, 172893008, 216116260, 345786016, 432232520, 864465040, 1728930080]

約数ペア:

[(1, 1728930080), (2, 864465040), (4, 432232520), (5, 345786016), (8, 216116260), (10, 172893008), (16, 108058130), (19, 90996320), (20, 86446504), (32, 54029065), (37, 46727840), (38, 45498160), (40, 43223252), (74, 23363920), (76, 22749080), (80, 21611626), (95, 18199264), (148, 11681960), (152, 11374540), (160, 10805813), (185, 9345568), (190, 9099632), (296, 5840980), (304, 5687270), (361, 4789280), (370, 4672784), (380, 4549816), (592, 2920490), (608, 2843635), (703, 2459360), (722, 2394640), (740, 2336392), (760, 2274908), (809, 2137120), (1184, 1460245), (1406, 1229680), (1444, 1197320), (1480, 1168196), (1520, 1137454), (1618, 1068560), (1805, 957856), (2812, 614840), (2888, 598660), (2960, 584098), (3040, 568727), (3236, 534280), (3515, 491872), (3610, 478928), (4045, 427424), (5624, 307420), (5776, 299330), (5920, 292049), (6472, 267140), (7030, 245936), (7220, 239464), (8090, 213712), (11248, 153710), (11552, 149665), (12944, 133570), (13357, 129440), (14060, 122968), (14440, 119732), (15371, 112480), (16180, 106856), (22496, 76855), (25888, 66785), (26714, 64720), (28120, 61484), (28880, 59866), (29933, 57760), (30742, 56240), (32360, 53428)]