811594880

素因数分解:

$2^7\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{2153}}^1$

素因数の和:2222

約数の個数: 128

約数和(自身を含む): 2109196800

約数和(自身を除く): 1297601920

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 31, 32, 38, 40, 62, 64, 76, 80, 95, 124, 128, 152, 155, 160, 190, 248, 304, 310, 320, 380, 496, 589, 608, 620, 640, 760, 992, 1178, 1216, 1240, 1520, 1984, 2153, 2356, 2432, 2480, 2945, 3040, 3968, 4306, 4712, 4960, 5890, 6080, 8612, 9424, 9920, 10765, 11780, 12160, 17224, 18848, 19840, 21530, 23560, 34448, 37696, 40907, 43060, 47120, 66743, 68896, 75392, 81814, 86120, 94240, 133486, 137792, 163628, 172240, 188480, 204535, 266972, 275584, 327256, 333715, 344480, 376960, 409070, 533944, 654512, 667430, 688960, 818140, 1067888, 1268117, 1309024, 1334860, 1377920, 1636280, 2135776, 2536234, 2618048, 2669720, 3272560, 4271552, 5072468, 5236096, 5339440, 6340585, 6545120, 8543104, 10144936, 10678880, 12681170, 13090240, 20289872, 21357760, 25362340, 26180480, 40579744, 42715520, 50724680, 81159488, 101449360, 162318976, 202898720, 405797440, 811594880]

約数ペア:

[(1, 811594880), (2, 405797440), (4, 202898720), (5, 162318976), (8, 101449360), (10, 81159488), (16, 50724680), (19, 42715520), (20, 40579744), (31, 26180480), (32, 25362340), (38, 21357760), (40, 20289872), (62, 13090240), (64, 12681170), (76, 10678880), (80, 10144936), (95, 8543104), (124, 6545120), (128, 6340585), (152, 5339440), (155, 5236096), (160, 5072468), (190, 4271552), (248, 3272560), (304, 2669720), (310, 2618048), (320, 2536234), (380, 2135776), (496, 1636280), (589, 1377920), (608, 1334860), (620, 1309024), (640, 1268117), (760, 1067888), (992, 818140), (1178, 688960), (1216, 667430), (1240, 654512), (1520, 533944), (1984, 409070), (2153, 376960), (2356, 344480), (2432, 333715), (2480, 327256), (2945, 275584), (3040, 266972), (3968, 204535), (4306, 188480), (4712, 172240), (4960, 163628), (5890, 137792), (6080, 133486), (8612, 94240), (9424, 86120), (9920, 81814), (10765, 75392), (11780, 68896), (12160, 66743), (17224, 47120), (18848, 43060), (19840, 40907), (21530, 37696), (23560, 34448)]